{"title":"Filtres LRVB","description":"\u003cdiv\u003e\n  \u003cp\u003e\n    LRGB imaging separates the job of recording detail from the job of recording colour. The luminance channel, unfiltered and deep, carries the structure; the red, green and blue channels supply colour at lower resolution. Done well it produces images sharper than a colour sensor of the same pixel count can reach. David Astro carries LRGB filters in Canada, held in stock for fast domestic shipping.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    Set matching matters more than any single filter's specification. Tell us your camera and wheel and we will recommend a set and the sizes it needs.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- more --\u003e\n\u003cdiv\u003e\n  \u003ch2\u003eHow an LRGB Set Works Together\u003c\/h2\u003e\n  \u003cp\u003e\n    The value of a set lies in the relationship between its filters — parfocality, transmission balance and blocking — rather than in each one alone.\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLuminance:\u003c\/strong\u003e A broad filter blocking ultraviolet and infrared while passing the full visible range, gathering the most photons and therefore carrying the image's detail.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRed, green and blue:\u003c\/strong\u003e Colour separation with carefully placed cut-on and cut-off points, so channels do not overlap and colours remain distinguishable.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTransmission balance:\u003c\/strong\u003e Sets designed so that near-equal exposure across channels gives neutral star colour, which removes a large amount of processing guesswork.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eParfocality:\u003c\/strong\u003e Matched optical thickness so refocusing between filters is minimal, which matters most at fast focal ratios with narrow critical focus zones.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUV and IR blocking:\u003c\/strong\u003e Essential in refractors, where unblocked infrared reaches a different focus and bloats stars noticeably.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSizes and mounting:\u003c\/strong\u003e Sized to your sensor diagonal and filter-to-sensor distance, mounted for standard wheels or unmounted to maximize clear aperture.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n  \u003ch2\u003eWhy Choose David Astro for LRGB Filters\u003c\/h2\u003e\n  \u003cp\u003e\n    A mismatched set costs you processing time on every image you ever take with it.\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBuy the set, not the pieces:\u003c\/strong\u003e We recommend matched sets because transmission balance and parfocality only exist across a designed group, not across mixed brands.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSize calculated:\u003c\/strong\u003e We work out the filter size from your sensor diagonal and the distance from filter to sensor, so corners are not vignetted.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpacing accounted for:\u003c\/strong\u003e Filter thickness shifts focus, and we include it in the back-focus calculation supplied with your order.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAuthorized dealer:\u003c\/strong\u003e Genuine filters with verified coatings and full manufacturer warranty, in Canadian stock.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShips from Canada:\u003c\/strong\u003e No duties or brokerage fees for Canadian buyers.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n  \u003ch2\u003eLRGB Filters in Canada — Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003e\u003cstrong\u003eHow much luminance versus colour should I shoot?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eA common starting ratio is roughly half your total time in luminance and the remainder split across red, green and blue. Colour data can be binned or shot in poorer conditions since it carries less detail.\u003c\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eDo I need UV and IR blocking?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eIn a refractor, yes — a doublet or triplet does not focus infrared with the visible range, and unblocked IR bloats stars. In a reflector it matters less, but a blocking luminance filter is still standard practice.\u003c\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eCan I mix filters from different sets?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eYou can, but you lose the transmission balance and parfocality that make a designed set convenient. Expect more colour calibration work and per-filter focus offsets.\u003c\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eIs LRGB better than one-shot colour?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eIt resolves more detail for a given sensor and allows narrowband later, at the cost of roughly three to four times the imaging time per target and a filter wheel in the train.\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n  \u003ch2\u003eMoving to monochrome imaging?\u003c\/h2\u003e\n  \u003cp\u003eTell us your camera and wheel and we will specify the set and sizes. Ships from Canada, full warranty.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"chroma-luminance-filter","title":"Chroma Filtre Luminance","description":"\u003c!-- more --\u003e\u003cp\u003e Filtre de luminance pour améliorer le rendu des couleurs avec le jeu RVB\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eFiltres conçus pour être utilisés avec CCD et pour f\/4.0 ou moins\u003c\/li\u003e\n\n\u003cli\u003ePas de reflets entraînant des distorsions d'image ou des \"réflexions arrière\"\u003c\/li\u003e\n\n\u003cli\u003eFront d'onde transmis supérieur à 0,25 onde\/pouce\u003c\/li\u003e\n\n\u003cli\u003eRevêtements de pulvérisation durables\u003c\/li\u003e\n\n\u003cli\u003eParallélisme : \u0026lt; 30 secondes d'arc\u003c\/li\u003e\n\n\u003cli\u003eÉpaisseur : 3,0 +\/-0,05 mm\u003c\/li\u003e\n\n \u003cli\u003eLes revêtements extrêmement durables résistent aux changements d'humidité et aux flux de température extrêmes et restent spectralement précis\u003c\/li\u003e\n\n\u003cli\u003een adhérence CWL et passe-bande\u003c\/li\u003e\n\n\u003cli\u003eCapable de fabriquer de grands filtres pour de grands détecteurs : 50 mm x 50 mm, 65 mm jusqu'à 76,2 mm et carré de 101,6 mm\u003c\/li\u003e\n\n\u003cli\u003eTous les filtres fabriqués au Vermont\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eChroma fabrique des filtres d'astronomie de la plus haute qualité avec des revêtements durs pulvérisés durables utilisant des substrats uniques du meilleur verre, éliminant ainsi le besoin de stratifications. Tous les revêtements de filtre primaires sont appliqués sur la surface avant et les revêtements anti-reflets sur la surface arrière pour éviter les images fantômes et maximiser la transmission.\u003c\/p\u003e \u003cp\u003eTrès précis et exacts, les bandes passantes de ces filtres restent spectralement stables et ne dérivent pas en réponse aux fluctuations extrêmes de température ou aux changements d'humidité. Tous les filtres peuvent être utilisés avec des ouvertures de f\/4 ou moins. Ils fournissent des services de revêtement personnalisés pour les applications d'imagerie plus exigeantes nécessitant des ouvertures plus grandes telles que f\/3 ou f\/2. Ils peuvent également fournir des tailles plus grandes et des bandes passantes uniques sur demande.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"Monté rond de 1,25 po","offer_id":44967246070045,"sku":"CT-27040-1.25M","price":210.0,"currency_code":"CAD","in_stock":true},{"title":"31mm rond non monté","offer_id":44967246102813,"sku":"CT-27040-31D","price":210.0,"currency_code":"CAD","in_stock":true},{"title":"36mm rond non monté","offer_id":44967246135581,"sku":"CT-27040-36D","price":315.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 2\"","offer_id":44967246168349,"sku":"CT-27040-2M","price":700.0,"currency_code":"CAD","in_stock":true},{"title":"50mm rond non monté","offer_id":44967246201117,"sku":"CT-27040-50D","price":630.0,"currency_code":"CAD","in_stock":true},{"title":"50x50mm Carré Non Monté","offer_id":44967246233885,"sku":"CT-27040-50X50","price":665.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Transmission-Curve-of-Chroma-Luminance-Filter__08679.1596071517.1280.1280.jpg?v=1684339517"},{"product_id":"chroma-red-filter","title":"Chroma Filtre Rouge","description":"\u003c!-- more --\u003e\u003cp\u003e Filtre rouge pour le rendu des couleurs avec jeu RVB\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eFiltres conçus pour être utilisés avec CCD et pour f\/4.0 ou moins\u003c\/li\u003e\n\n\u003cli\u003ePas de reflets entraînant des distorsions d'image ou des \"réflexions arrière\"\u003c\/li\u003e\n\n\u003cli\u003eFront d'onde transmis supérieur à 0,25 onde\/pouce\u003c\/li\u003e\n\n\u003cli\u003eRevêtements de pulvérisation durables\u003c\/li\u003e\n\n\u003cli\u003eParallélisme : \u0026lt; 30 secondes d'arc\u003c\/li\u003e\n\n\u003cli\u003eÉpaisseur : 3,0 +\/-0,05 mm\u003c\/li\u003e\n\n \u003cli\u003eLes revêtements extrêmement durables résistent aux changements d'humidité et aux flux de température extrêmes et restent spectralement précis\u003c\/li\u003e\n\n\u003cli\u003een adhérence CWL et passe-bande\u003c\/li\u003e\n\n\u003cli\u003eCapable de fabriquer de grands filtres pour de grands détecteurs : 50 mm x 50 mm, 65 mm jusqu'à 76,2 mm et carré de 101,6 mm\u003c\/li\u003e\n\n\u003cli\u003eTous les filtres fabriqués au Vermont\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eChroma fabrique des filtres d'astronomie de la plus haute qualité avec des revêtements durs pulvérisés durables utilisant des substrats uniques du meilleur verre, éliminant ainsi le besoin de stratifications. Tous les revêtements de filtre primaires sont appliqués sur la surface avant et les revêtements anti-reflets sur la surface arrière pour éviter les images fantômes et maximiser la transmission.\u003c\/p\u003e \u003cp\u003eTrès précis et exacts, les bandes passantes de ces filtres restent spectralement stables et ne dérivent pas en réponse aux fluctuations extrêmes de température ou aux changements d'humidité. Tous les filtres peuvent être utilisés avec des ouvertures de f\/4 ou moins. Ils fournissent des services de revêtement personnalisés pour les applications d'imagerie plus exigeantes nécessitant des ouvertures plus grandes telles que f\/3 ou f\/2. Ils peuvent également fournir des tailles plus grandes et des bandes passantes uniques sur demande.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"Monté rond de 1,25 po","offer_id":44967247708445,"sku":"CT-27041-1.25M","price":210.0,"currency_code":"CAD","in_stock":true},{"title":"31mm rond non monté","offer_id":44967247741213,"sku":"CT-27041-31D","price":210.0,"currency_code":"CAD","in_stock":true},{"title":"36mm rond non monté","offer_id":44967247773981,"sku":"CT-27041-36D","price":315.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 2\"","offer_id":44967247806749,"sku":"CT-27041-2M","price":700.0,"currency_code":"CAD","in_stock":true},{"title":"50mm rond non monté","offer_id":44967247839517,"sku":"CT-27041-50D","price":630.0,"currency_code":"CAD","in_stock":true},{"title":"50x50mm Carré Non Monté","offer_id":44967247872285,"sku":"CT-27041-50X50","price":665.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Transmission-Curve-of-Chroma-Red-Filter__89625.1596071518.1280.1280.jpg?v=1684339717"},{"product_id":"chroma-green-filter","title":"Chroma Filtre Vert","description":"\u003c!-- more --\u003e\u003cp\u003e Filtre vert pour le rendu des couleurs avec jeu RVB\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eFiltres conçus pour être utilisés avec CCD et pour f\/4.0 ou moins\u003c\/li\u003e\n\n\u003cli\u003ePas de reflets entraînant des distorsions d'image ou des \"réflexions arrière\"\u003c\/li\u003e\n\n\u003cli\u003eFront d'onde transmis supérieur à 0,25 onde\/pouce\u003c\/li\u003e\n\n\u003cli\u003eRevêtements de pulvérisation durables\u003c\/li\u003e\n\n\u003cli\u003eParallélisme : \u0026lt; 30 secondes d'arc\u003c\/li\u003e\n\n\u003cli\u003eÉpaisseur : 3,0 +\/-0,05 mm\u003c\/li\u003e\n\n \u003cli\u003eLes revêtements extrêmement durables résistent aux changements d'humidité et aux flux de température extrêmes et restent spectralement précis\u003c\/li\u003e\n\n\u003cli\u003een adhérence CWL et passe-bande\u003c\/li\u003e\n\n\u003cli\u003eCapable de fabriquer de grands filtres pour de grands détecteurs : 50 mm x 50 mm, 65 mm jusqu'à 76,2 mm et carré de 101,6 mm\u003c\/li\u003e\n\n\u003cli\u003eTous les filtres fabriqués au Vermont\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eChroma fabrique des filtres d'astronomie de la plus haute qualité avec des revêtements durs pulvérisés durables utilisant des substrats uniques du meilleur verre, éliminant ainsi le besoin de stratifications. Tous les revêtements de filtre primaires sont appliqués sur la surface avant et les revêtements anti-reflets sur la surface arrière pour éviter les images fantômes et maximiser la transmission.\u003c\/p\u003e \u003cp\u003eTrès précis et exacts, les bandes passantes de ces filtres restent spectralement stables et ne dérivent pas en réponse aux fluctuations extrêmes de température ou aux changements d'humidité. Tous les filtres peuvent être utilisés avec des ouvertures de f\/4 ou moins. Ils fournissent des services de revêtement personnalisés pour les applications d'imagerie plus exigeantes nécessitant des ouvertures plus grandes telles que f\/3 ou f\/2. Ils peuvent également fournir des tailles plus grandes et des bandes passantes uniques sur demande.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"Monté rond de 1,25 po","offer_id":44967247905053,"sku":"CT-27042-1.25M","price":210.0,"currency_code":"CAD","in_stock":true},{"title":"31mm rond non monté","offer_id":44967247937821,"sku":"CT-27042-31D","price":210.0,"currency_code":"CAD","in_stock":true},{"title":"36mm rond non monté","offer_id":44967247970589,"sku":"CT-27042-36D","price":315.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 2\"","offer_id":44967248003357,"sku":"CT-27042-2M","price":700.0,"currency_code":"CAD","in_stock":true},{"title":"50mm rond non monté","offer_id":44967248068893,"sku":"CT-27042-50D","price":630.0,"currency_code":"CAD","in_stock":true},{"title":"50x50mm Carré Non Monté","offer_id":44967248101661,"sku":"CT-27042-50X50","price":665.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Transmission-Curve-of-Chroma-Green-Filter__89486.1596071518.1280.1280.jpg?v=1684339719"},{"product_id":"chroma-blue-filter","title":"Chroma Filtre Bleu","description":"\u003c!-- more --\u003e\u003cp\u003e Filtre bleu pour le rendu des couleurs avec jeu RVB\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eFiltres conçus pour être utilisés avec CCD et pour f\/4.0 ou moins\u003c\/li\u003e\n\n\u003cli\u003ePas de reflets entraînant des distorsions d'image ou des \"réflexions arrière\"\u003c\/li\u003e\n\n\u003cli\u003eFront d'onde transmis supérieur à 0,25 onde\/pouce\u003c\/li\u003e\n\n\u003cli\u003eRevêtements de pulvérisation durables\u003c\/li\u003e\n\n\u003cli\u003eParallélisme : \u0026lt; 30 secondes d'arc\u003c\/li\u003e\n\n\u003cli\u003eÉpaisseur : 3,0 +\/-0,05 mm\u003c\/li\u003e\n\n \u003cli\u003eLes revêtements extrêmement durables résistent aux changements d'humidité et aux flux de température extrêmes et restent spectralement précis\u003c\/li\u003e\n\n\u003cli\u003een adhérence CWL et passe-bande\u003c\/li\u003e\n\n\u003cli\u003eCapable de fabriquer de grands filtres pour de grands détecteurs : 50 mm x 50 mm, 65 mm jusqu'à 76,2 mm et carré de 101,6 mm\u003c\/li\u003e\n\n\u003cli\u003eTous les filtres fabriqués au Vermont\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eChroma fabrique des filtres d'astronomie de la plus haute qualité avec des revêtements durs pulvérisés durables utilisant des substrats uniques du meilleur verre, éliminant ainsi le besoin de stratifications. Tous les revêtements de filtre primaires sont appliqués sur la surface avant et les revêtements anti-reflets sur la surface arrière pour éviter les images fantômes et maximiser la transmission.\u003c\/p\u003e \u003cp\u003eTrès précis et exacts, les bandes passantes de ces filtres restent spectralement stables et ne dérivent pas en réponse aux fluctuations extrêmes de température ou aux changements d'humidité. Tous les filtres peuvent être utilisés avec des ouvertures de f\/4 ou moins. Ils fournissent des services de revêtement personnalisés pour les applications d'imagerie plus exigeantes nécessitant des ouvertures plus grandes telles que f\/3 ou f\/2. Ils peuvent également fournir des tailles plus grandes et des bandes passantes uniques sur demande.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"Monté rond de 1,25 po","offer_id":44967248134429,"sku":"CT-27043-1.25M","price":210.0,"currency_code":"CAD","in_stock":true},{"title":"31mm rond non monté","offer_id":44967248167197,"sku":"CT-27043-31D","price":210.0,"currency_code":"CAD","in_stock":true},{"title":"36mm rond non monté","offer_id":44967248199965,"sku":"CT-27043-36D","price":315.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 2\"","offer_id":44967248232733,"sku":"CT-27043-2M","price":700.0,"currency_code":"CAD","in_stock":true},{"title":"50mm rond non monté","offer_id":44967248265501,"sku":"CT-27043-50D","price":630.0,"currency_code":"CAD","in_stock":true},{"title":"50x50mm Carré Non Monté","offer_id":44967248298269,"sku":"CT-27043-50X50","price":665.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Transmission-Curve-of-Chroma-Blue-Filter__36624.1596071519.1280.1280.jpg?v=1684339721"},{"product_id":"chroma-clear-filter","title":"Chroma Filtre Clair","description":"\u003c!-- more --\u003e\u003cul\u003e\n\n\u003cli\u003eFiltres conçus pour être utilisés avec CCD et pour f\/4.0 ou moins\u003c\/li\u003e\n\n\u003cli\u003ePas de reflets entraînant des distorsions d'image ou des \"réflexions arrière\"\u003c\/li\u003e\n\n\u003cli\u003eFront d'onde transmis supérieur à 0,25 onde\/pouce\u003c\/li\u003e\n\n\u003cli\u003eRevêtements de pulvérisation durables\u003c\/li\u003e\n\n\u003cli\u003eParallélisme : \u0026lt; 30 secondes d'arc\u003c\/li\u003e\n\n\u003cli\u003eÉpaisseur : 3,0 +\/-0,05 mm\u003c\/li\u003e\n\n\u003cli\u003eLes revêtements extrêmement durables résistent aux changements d'humidité et aux flux de température extrêmes et restent spectralement précis \u003c\/li\u003e\n\n\u003cli\u003een adhérence CWL et passe-bande\u003c\/li\u003e\n\n\u003cli\u003eCapable de fabriquer de grands filtres pour de grands détecteurs : 50 mm x 50 mm, 65 mm jusqu'à 76,2 mm et carré de 101,6 mm\u003c\/li\u003e\n\n\u003cli\u003eTous les filtres fabriqués au Vermont\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eChroma fabrique des filtres d'astronomie de la plus haute qualité avec des revêtements durs pulvérisés durables utilisant des substrats uniques du meilleur verre, éliminant ainsi le besoin de stratifications. Tous les revêtements de filtre primaires sont appliqués sur la surface avant et les revêtements anti-reflets sur la surface arrière pour éviter les images fantômes et maximiser la transmission.\u003c\/p\u003e \u003cp\u003eTrès précis et exacts, les bandes passantes de ces filtres restent spectralement stables et ne dérivent pas en réponse aux fluctuations extrêmes de température ou aux changements d'humidité. Tous les filtres peuvent être utilisés avec des ouvertures de f\/4 ou moins. Ils fournissent des services de revêtement personnalisés pour les applications d'imagerie plus exigeantes nécessitant des ouvertures plus grandes telles que f\/3 ou f\/2. Ils peuvent également fournir des tailles plus grandes et des bandes passantes uniques sur demande.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"Monté rond de 1,25 po","offer_id":44967248822557,"sku":"CT-27044-1.25M","price":182.0,"currency_code":"CAD","in_stock":true},{"title":"31mm rond non monté","offer_id":44967248855325,"sku":"CT-27044-31D","price":182.0,"currency_code":"CAD","in_stock":true},{"title":"36mm rond non monté","offer_id":44967248888093,"sku":"CT-27044-36D","price":210.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 2\"","offer_id":44967248920861,"sku":"CT-27044-2M","price":525.0,"currency_code":"CAD","in_stock":true},{"title":"50mm rond non monté","offer_id":44967248953629,"sku":"CT-27044-50D","price":455.0,"currency_code":"CAD","in_stock":true},{"title":"50x50mm Carré Non Monté","offer_id":44967248986397,"sku":"CT-27044-50X50","price":490.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Transmission-Curve-of-Chroma-Clear-Filter__90054.1596071523.1280.1280.jpg?v=1684339522"},{"product_id":"chroma-lrgb-filter-set","title":"Chroma Ensemble de Filtres LRVB","description":"\u003c!-- more --\u003e\u003cp\u003e Ensemble de filtres d'astronomie de luminance, rouge, vert et bleu\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eFiltres conçus pour être utilisés avec CCD et pour f\/4.0 ou moins\u003c\/li\u003e\n\n\u003cli\u003ePas de reflets entraînant des distorsions d'image ou des \"\"réflexions arrière\"\"\u003c\/li\u003e\n\n\u003cli\u003eFront d'onde transmis supérieur à 0,25 onde\/pouce\u003c\/li\u003e\n\n\u003cli\u003eRevêtements de pulvérisation durables\u003c\/li\u003e\n\n\u003cli\u003eParallélisme : \u0026lt; 30 secondes d'arc\u003c\/li\u003e\n\n\u003cli\u003eÉpaisseur : 3,0 +\/-0,05 mm\u003c\/li\u003e\n\n \u003cli\u003eLes revêtements extrêmement durables résistent aux changements d'humidité et aux flux de température extrêmes et restent spectralement précis\u003c\/li\u003e\n\n\u003cli\u003een adhérence CWL et passe-bande\u003c\/li\u003e\n\n\u003cli\u003eCapable de fabriquer de grands filtres pour de grands détecteurs : 50 mm x 50 mm, 65 mm jusqu'à 76,2 mm et carré de 101,6 mm\u003c\/li\u003e\n\n\u003cli\u003eTous les filtres fabriqués au Vermont\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eChroma fabrique des filtres d'astronomie de la plus haute qualité avec des revêtements durs pulvérisés durables utilisant des substrats uniques du meilleur verre, éliminant ainsi le besoin de stratifications. Tous les revêtements de filtre primaires sont appliqués sur la surface avant et les revêtements anti-reflets sur la surface arrière pour éviter les images fantômes et maximiser la transmission.\u003c\/p\u003e \u003cp\u003eTrès précis et exacts, les bandes passantes de ces filtres restent spectralement stables et ne dérivent pas en réponse aux fluctuations extrêmes de température ou aux changements d'humidité. Tous les filtres peuvent être utilisés avec des ouvertures de f\/4 ou moins. Ils fournissent des services de revêtement personnalisés pour les applications d'imagerie plus exigeantes nécessitant des ouvertures plus grandes telles que f\/3 ou f\/2. Ils peuvent également fournir des tailles plus grandes et des bandes passantes uniques sur demande.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"Monté rond de 1,25 po","offer_id":44967250460957,"sku":"CT-27101-1.25M","price":735.0,"currency_code":"CAD","in_stock":true},{"title":"31mm rond non monté","offer_id":44967250493725,"sku":"CT-27101-31D","price":735.0,"currency_code":"CAD","in_stock":true},{"title":"36mm rond non monté","offer_id":44967250526493,"sku":"CT-27101-36D","price":1155.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 2\"","offer_id":44967250559261,"sku":"CT-27101-2M","price":2695.0,"currency_code":"CAD","in_stock":true},{"title":"50mm rond non monté","offer_id":44967250592029,"sku":"CT-27101-50D","price":2415.0,"currency_code":"CAD","in_stock":true},{"title":"50x50mm Carré Non Monté","offer_id":44967250624797,"sku":"CT-27101-50X50","price":2555.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Transmission-Curve-of-Chroma-LRGB-Filters__96415.1596071530.1280.1280.jpg?v=1684339733"},{"product_id":"chroma-halrgb-filter-set","title":"Chroma Ensemble de Filtres HaLRVB","description":"\u003c!-- more --\u003e\u003cp\u003e Ensemble de filtres d'astronomie H-alpha, Luminance, Rouge, Vert et Bleu 8nm\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eFiltres conçus pour être utilisés avec CCD et pour f\/4.0 ou moins\u003c\/li\u003e\n\n\u003cli\u003ePas de reflets entraînant des distorsions d'image ou des \"\"réflexions arrière\"\"\u003c\/li\u003e\n\n\u003cli\u003eFront d'onde transmis supérieur à 0,25 onde\/pouce\u003c\/li\u003e\n\n\u003cli\u003eRevêtements de pulvérisation durables\u003c\/li\u003e\n\n\u003cli\u003eParallélisme : \u0026lt; 30 secondes d'arc\u003c\/li\u003e\n\n\u003cli\u003eÉpaisseur : 3,0 +\/-0,05 mm\u003c\/li\u003e\n\n \u003cli\u003eLes revêtements extrêmement durables résistent aux changements d'humidité et aux flux de température extrêmes et restent spectralement précis\u003c\/li\u003e\n\n\u003cli\u003een adhérence CWL et passe-bande\u003c\/li\u003e\n\n\u003cli\u003eCapable de fabriquer de grands filtres pour de grands détecteurs : 50 mm x 50 mm, 65 mm jusqu'à 76,2 mm et carré de 101,6 mm\u003c\/li\u003e\n\n\u003cli\u003eTous les filtres fabriqués au Vermont\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eChroma fabrique des filtres d'astronomie de la plus haute qualité avec des revêtements durs pulvérisés durables utilisant des substrats uniques du meilleur verre, éliminant ainsi le besoin de stratifications. Tous les revêtements de filtre primaires sont appliqués sur la surface avant et les revêtements anti-reflets sur la surface arrière pour éviter les images fantômes et maximiser la transmission.\u003c\/p\u003e \u003cp\u003eTrès précis et exacts, les bandes passantes de ces filtres restent spectralement stables et ne dérivent pas en réponse aux fluctuations extrêmes de température ou aux changements d'humidité. Tous les filtres peuvent être utilisés avec des ouvertures de f\/4 ou moins. Ils fournissent des services de revêtement personnalisés pour les applications d'imagerie plus exigeantes nécessitant des ouvertures plus grandes telles que f\/3 ou f\/2. Ils peuvent également fournir des tailles plus grandes et des bandes passantes uniques sur demande.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"Monté rond de 1,25 po \/ 8nm","offer_id":44967250723101,"sku":"CT-27102-1.25M","price":1085.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 1,25 po \/ 5nm","offer_id":44967250755869,"sku":"CT-HA5LRGB-1.25M","price":1344.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 1,25 po \/ 3nm","offer_id":44967250788637,"sku":"CT-HA3LRGB-1.25M","price":1505.0,"currency_code":"CAD","in_stock":true},{"title":"31mm rond non monté \/ 8nm","offer_id":44967250821405,"sku":"CT-27102-31D","price":1085.0,"currency_code":"CAD","in_stock":true},{"title":"31mm rond non monté \/ 5nm","offer_id":44967250854173,"sku":"CT-HA5LRGB-31D","price":1344.0,"currency_code":"CAD","in_stock":true},{"title":"31mm rond non monté \/ 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3nm","offer_id":44967251280157,"sku":"CT-HA3LRGB-50X50","price":4690.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Transmission-Curve-of-Chroma-HaLRGB-Filters__04231.1596071532.1280.1280.jpg?v=1684339530"},{"product_id":"baader-clear-focusing-filter","title":"Baader Filtre Clair pour Mise au Point","description":"\u003c!-- more --\u003e\u003cul\u003e\n\n\u003cli\u003eFiltres en verre transparent RVB-C imperméables de qualité supérieure Baader.\u003c\/li\u003e\n\n\u003cli\u003eLes filtres en verre transparent Baader sont utilisés pour focaliser une caméra lors de l'utilisation de filtres de ligne à bande très étroite (en raison de la même épaisseur mécanique).\u003c\/li\u003e\n\n\u003cli\u003eFonction alternative : par exemple, notre anneau en T de protection Canon EOS utilise un filtre en verre transparent pour la protection contre la poussière\u003c\/li\u003e\n\n\u003cli\u003eAUCUN halo, AUCUN reflet, AUCUN effet fantôme\u003c\/li\u003e\n\n\u003cli\u003eBords de revêtement scellés anti-vieillissement\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"\/fr-us\/pages\/why-baader-planetarium-filters\"\u003ePourquoi les filtres de planétarium Baader ?\u003c\/a\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cdiv data-custom-tab\u003e\n\n\u003cp data-custom-tab-title\u003eCaractéristiques\u003c\/p\u003e\n\n \u003cdiv\u003e\n\n\u003ch2\u003e1.25\"\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2458415\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825021403\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,059\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003espectre complet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e2 millimètres \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e1 25 pouces\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eMise au point\/protection contre la poussière\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eMonté (LPFC 6mm)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e2\"\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2458416\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825021410\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,065\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003espectre complet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n \u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e2 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e2 pouces\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eMise au point\/protection contre la poussière\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eMonté (LPFC 6mm)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n \u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e31mm\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2458414\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,026\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003espectre complet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e2 millimètres\u003c\/td\u003e\n\n \u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e31 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eMise au point\/protection contre la poussière\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eNon monté\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTYPE DE FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eVerre propre\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n \u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e36mm\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2459423\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825023766\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,026\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003espectre complet \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e2 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e36 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eMise au point\/protection contre la poussière\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eNon monté\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e50,4 mm\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2458420\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825021427\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,07\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION \u003c\/th\u003e\n\n\u003ctd\u003espectre complet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e3 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e50,4 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eMise au point\/protection contre la poussière\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eNon monté\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ? \u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e50x50mm\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2458421\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825021434\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,073\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n \u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003espectre complet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e3 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e50 x 50 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eMise au point\/protection contre la poussière\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eNon monté\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n \u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ecarré\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e65x65mm\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2459405\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825023681\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,087\u003c\/td\u003e\n\n \u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003espectre complet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e3 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e65 x 65 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eMise au point\/protection contre la poussière\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eNon monté\u003c\/td\u003e\n\n \u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ecarré\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\u003cdiv class=\"moretab\" data-title=\"Downloads \u0026amp; Support\"\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_faq_problems_with_filters_can_have_the_strangest_causes.pdf?v=1684340622?v=1590138683\" target=\"_blank\"\u003eFAQ - Les problèmes avec les filtres peuvent avoir les causes les plus étranges\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_testreview_baader_anti_reflection_lrgbc_filters_j_schedler.pdf?v=1684340627?v=1590143376\" target=\"_blank\"\u003eRevue de test - Baader-Anti-Reflection LRGBC-Filters - J. Schedler\u003c\/a\u003e \u003c\/p\u003e\n\n\n\u003c\/div\u003e","brand":"Baader Planetarium","offers":[{"title":"Monté rond de 1,25 po","offer_id":44967356039453,"sku":"BAA-2458415","price":63.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 2\"","offer_id":44967356072221,"sku":"BAA-2458416","price":105.0,"currency_code":"CAD","in_stock":true},{"title":"Filtre non monté rond de 31 mm","offer_id":44967356104989,"sku":"BAA-2458414","price":78.0,"currency_code":"CAD","in_stock":true},{"title":"Filtre non monté rond de 36 mm","offer_id":44967356137757,"sku":"BAA-2459423","price":70.0,"currency_code":"CAD","in_stock":true},{"title":"Filtre non monté rond de 50,4 mm","offer_id":44967356170525,"sku":"BAA-2458420","price":121.0,"currency_code":"CAD","in_stock":true},{"title":"Filtre carré 50x50mm","offer_id":44967356203293,"sku":"BAA-2458421","price":140.0,"currency_code":"CAD","in_stock":true},{"title":"Filtre carré 65x65mm","offer_id":44967356236061,"sku":"BAA-2459405","price":152.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader-Clear-Focusing-Filter-1__69249.1597110902.1280.1280.jpg?v=1684340987"},{"product_id":"baader-fringe-killer-filter","title":"Baader Filtre Fringe-Killer","description":"\u003c!-- more --\u003e\u003cp\u003e\u003cspan\u003e* Tel que revu dans le ciel et le télescope d'avril 2004 *\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003ePourquoi les filtres de planétarium Baader ?\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eLes propriétaires d'Achromat se réjouissent ! Baader Planetarium a porté la filtration moins violette à un nouveau niveau. Le Fringe Killer apporte à l'amateur un type de filtration encore jamais vu. Plutôt que de simplement couper les longueurs d'onde plus courtes à une longueur d'onde et une pente choisies comme tous les autres filtres moins violets, le Fringe Killer atténue soigneusement une région spécifique du spectre. Cela a permis à Baader de régler le filtre pour une réduction pratique maximale des longueurs d'onde bleues défocalisées les plus dommageables, avec seulement un léger décalage de couleur jaune - sans gradation ni diminution du contraste de l'image en recourant à la réduction des importantes longueurs d'onde vert-jaune pour restaurer grossièrement une couleur apparente équilibre! (où l'œil est très sensible et où les réfracteurs sont les plus nets) Le résultat est un filtre qui supprime la majorité des franges de couleur, sans affecter la luminosité de l'image, sans conférer une forte coloration ou réduire le contraste à des longueurs d'onde importantes. Comme tout propriétaire de télescope le sait, la lumière est une denrée précieuse pour l'observation des planètes et du ciel profond, et le tueur de franges préserve le maximum de lumière possible. Les observateurs terrestres trouveront également les qualités de ce filtre idéales pour leurs besoins.\u003c\/p\u003e \u003cp\u003eLa haute qualité des filtres Baader Planetarium permet un empilement sans dégradation de l'image. Pour une vue encore moins colorée, avec des contrastes de couleurs sensiblement renforcés, nous vous recommandons fortement d'empiler un filtre Moon \u0026amp; Skyglow avec le Fringe Killer. Ces deux filtres se complètent, et le résultat est une vue presque totalement neutre (pas de coloration). La luminosité de l'image est également très peu affectée, grâce à la formule optimisée du Moon \u0026amp; Skyglow, ainsi qu'aux superbes revêtements antireflet.\u003c\/p\u003e\n\u003cp\u003e Pour deux critiques d'utilisateurs récentes du Fringe Killer, veuillez consulter Cloudy Nights sur : \u003ca href=\"http:\/\/www.cloudynights.com\/accessories2\/fringe.htm\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ehttp:\/\/www.cloudynights.com\/accessories2\/fringe.htm\u003c\/a\u003e et le site NexStar de Mike Swanson sur : \u003ca href=\"http:\/\/www.nexstarsite.com\/Reviews\/BaaderFringeKiller.htm\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ehttp:\/\/www.nexstarsite.com\/Reviews\/ BaaderFringeKiller.htm\u003c\/a\u003e\u003c\/p\u003e \u003cp\u003eLe Fringe Killer est le complément parfait du Baader Contrast Booster. Le Contrast Booster est un filtre agressif, conçu pour offrir le maximum de netteté et de contraste possible à partir d'un achromat. Le résultat est une suppression complète de la brume violette, avec une image un peu plus sombre et plus jaune. Le Contrast Booster intègre également une filtration RVB supplémentaire pour améliorer encore les contrastes de couleurs. Le Fringe Killer fournit une filtration plus douce et plus naturelle, qui laisse les achromats rapides fonctionner comme un achromat f\/15 classique. Le Fringe Killer offre ce que nous pensons être une combinaison idéale de résolution améliorée, de contraste et de luminosité d'image inchangée, ainsi qu'une vue très esthétique.\u003c\/p\u003e \u003cp\u003eLes revêtements nécessaires pour accomplir cette filtration innovante sont extrêmement complexes, nécessitant près de 50 couches par côté, en utilisant le dernier procédé de revêtement assisté par plasma DWDM. Le Fringe Killer a peut-être le revêtement le plus complexe jamais réalisé sur un filtre astronomique amateur Les imageurs numériques (CCD, DigiCam et Webcam) trouveront que le Fringe Killer est le compagnon ultime pour leur lunette achromatique. La transmission élevée et la réduction des franges fonctionnent parfaitement pour l'imagerie planétaire et du ciel profond. Baader a également choisi d'inclure ses célèbres revêtements UV\/IR Cut dans la formule Fringe Killer. Ces revêtements maintiennent une transmission très élevée, avec des coupures nettes bien placées dans l'IR et l'UV (voir le filtre UV\/IR Cut ci-dessous, pour plus de détails sur ces revêtements).\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eComme tous les autres filtres Baader Planetarium, le Fringe Killer offre sa haute qualité et ses caractéristiques. Le résultat est une performance et une valeur inégalées dans l'industrie. Pour plus d'informations sur ce filtre, y compris les courbes spectrales\u003c\/span\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_baader_fringe_killer_filter.pdf?v=1684340688?v=1590139581\" target=\"_blank\"\u003eBaader Fringe Killer Filter\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003ca href=\"\/fr-us\/pages\/why-baader-planetarium-filters\"\u003ePourquoi les filtres de planétarium Baader ?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cb\u003e\u003ci\u003ePhoto d'un tueur de franges tenu sur une feuille de papier à la lumière naturelle du soleil, illustrant la transmission élevée et la faible coloration.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_FringeKillerColor_480x480.jpg?v=1684340689?v=1585153272\" alt=\"\u0026gt;\u0026lt;\/b\u0026gt;\u0026lt;\/p\u0026gt;\u0026lt;\/div\u0026gt;\u0026lt;\/div\u0026gt;\u0026lt;div data-custom-tab\u0026gt;\u0026lt;p data-custom-tab-title\u0026gt;Spécifications\u0026lt;\/p\u0026gt;\u0026lt;div\u0026gt;\u0026lt;h2\u0026gt;\u0026lt;b\u0026gt;1.25\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003cb\u003e\n\u003c\/b\u003e\u003ctr\u003e\n\u003cb\u003e\n\u003c\/b\u003e\u003cth\u003e\u003cb\u003eFABRICANT\u003c\/b\u003e\u003c\/th\u003e\n\u003cb\u003e\n\u003c\/b\u003e\u003ctd\u003e\u003cb\u003ePlanétarium Baader\u003c\/b\u003e\u003c\/td\u003e\n\u003cb\u003e\n\u003c\/b\u003e\n\u003c\/tr\u003e\n\u003cb\u003e\n\u003c\/b\u003e\u003ctr\u003e\n\u003cb\u003e\n\u003c\/b\u003e\u003cth\u003e\u003cb\u003eUGS (#)\u003c\/b\u003e\u003c\/th\u003e\n\u003cb\u003e\n\u003c\/b\u003e\u003ctd\u003e\u003cb\u003e2458370\u003c\/b\u003e\u003c\/td\u003e\n\u003cb\u003e\n\u003c\/b\u003e\n\u003c\/tr\u003e\n\u003cb\u003e\n\u003c\/b\u003e \u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825009494\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,059\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003eplusieurs bandes (voir image spectrale)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e2 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eGroupe Phantom Coating®, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e1 25 pouces\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n \u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eCorrection des couleurs, IR-Cut\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eMonté (LPFC 6mm)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTYPE DE FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e\u003cb\u003e2\"\u003c\/b\u003e\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2458375\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,065\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003eplusieurs bandes (voir image spectrale)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e2 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eGroupe Phantom Coating®, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e2 pouces \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eCorrection des couleurs, IR-Cut\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eMonté (LPFC 6mm)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTYPE DE FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003cdiv class=\"moretab\" data-title=\"Downloads \u0026amp; Support\"\u003e\n\n \u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_baader_fringe_killer_filter.pdf?v=1684340688?v=1590139581\" target=\"_blank\"\u003eFiltre tueur de franges Baader\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_faq_problems_with_filters_can_have_the_strangest_causes.pdf?v=1684340622?v=1590138683\" target=\"_blank\"\u003eFAQ - Les problèmes avec les filtres peuvent avoir les causes les plus étranges\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_testreview_baader_anti_fringing_filters_astronomy_technology_today.pdf?v=1684340675?v=1590139318\" target=\"_blank\"\u003eRevue de test - Filtres anti-fringing Baader - Astronomy Technology Today\u003c\/a\u003e\u003c\/p\u003e\n\n\n\u003c\/div\u003e","brand":"Baader Planetarium","offers":[{"title":"Monté rond de 1,25 po","offer_id":44967362101533,"sku":"BAA-2458370","price":134.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 2\"","offer_id":44967362134301,"sku":"BAA-2458375","price":194.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Baader-Fringe-Killer-Filter-1__75286.1597110982.1280.1280.jpg?v=1684341115"},{"product_id":"baader-semi-apo-filter","title":"Baader Filtre Semi-APO","description":"\u003c!-- more --\u003e\u003cul\u003e\n\n\u003cli\u003e\u003cspan\u003eDeux filtres en un pour une luminosité maximale\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eCombine Fringe-Killer avec Moon \u0026amp; Skyglow pour un contraste semi-APO avec réfracteurs\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eBords de revêtement scellés anti-vieillissement\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e \u003cp\u003eLa solution idéale de Baader pour les propriétaires d'Achromat. Le Semi-APO fonctionne comme son nom l'indique - offrant une vue très neutre, tout en coupant la plupart des franges violettes ennuyeuses et contrastantes qui affligent tous les achromats. Le filtre Semi-APO combine une formule de revêtement Fringe Killer plus forte avec le substrat Moon\u0026amp;Skyglow Neodymium. Le résultat est une performance similaire à la combinaison Fringe Killer + Moon\u0026amp;Skyglow, mais avec une coupe violette légèrement plus forte - et à une valeur $$ encore plus élevée.\u003cbr\u003e \u003cbr\u003eLe filtre Semi-APO bénéficie de tous les attributs de filtre Baader de classe mondiale. Le filtre Semi-APO est vraiment le filtre de type \"moins violet\" le plus avancé au monde à tous égards. Sa haute efficacité et sa coloration neutre le font pratiquement disparaître à l'usage - tout en faisant disparaître la plupart des franges violettes ! Les effets sur la netteté, le contraste et l'esthétique sont remarquables, même avec de petits réfracteurs. L'amélioration RVB du substrat en néodyme augmente en fait les contrastes de couleurs, en particulier pour Jupiter et Mars.\u003cbr\u003e \u003cbr\u003eComme avantage secondaire, le filtre Semi-APO s'est également avéré être le meilleur filtre Mars que nous ayons utilisé - avec TOUS les télescopes, y compris les grands Dobson, SCT et Apochromats. Les propriétés uniques qui résultent de la combinaison de l'atténuation de la longueur d'onde bleue du Fringe Killer (atténuation - pas élimination totale), plus les bandes passantes RVB sélectives au néodyme, entraînent une amélioration significative du contraste des caractéristiques martiennes. L'image conserve sa coloration et sa luminosité naturelles, et les surfaces polies optiquement conservent chaque élément de la netteté de l'image, contrairement aux filtres d'autres fabricants.\u003cbr\u003e \u003cbr\u003eLa haute qualité des filtres Baader Planetarium permet leur utilisation bien en avant du plan focal sans dégradation de l'image (c'est-à-dire pour les caméras ou les binoculaires). L'inclusion des célèbres revêtements UV\/IR Cut de Baader sur le Semi-APO élimine les longueurs d'onde UV et IR pour le rendre idéal pour l'imagerie haute résolution avec les webcams, les reflex numériques et les caméras CCD (voir le filtre UV\/IR Cut ci-dessous, pour plus de détails). sur ces revêtements). La transmission élevée et la réduction des franges fonctionnent parfaitement pour l'imagerie planétaire et du ciel profond.\u003cbr\u003e\u003cbr\u003e Veuillez vous référer à \u003ca href=\"\/fr-us\/products\/baader-fringe-killer-color-correction-filter\"\u003eFringe Killer\u003c\/a\u003e et \u003ca href=\"\/fr-us\/products\/baader-neodymium-moon-skyglow-filter\"\u003eMoon\u0026amp;Skyglow\u003c\/a\u003e pour plus de détails sur tous les autres aspects du filtre Semi-APO.\u003c\/p\u003e\n\u003cp\u003e \u003ca href=\"\/fr-us\/pages\/why-baader-planetarium-filters\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePourquoi les filtres de planétarium Baader ?\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv data-custom-tab\u003e\n\n\u003cp data-custom-tab-title\u003eCaractéristiques\u003c\/p\u003e\n\n\u003cdiv\u003e\n\n\u003ch2\u003e1.25\" \u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2458398\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825009340\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,057\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003eplusieurs bandes (voir image spectrale)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e1 millimètre\u003c\/td\u003e\n\n \u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eGroupe Phantom Coating®, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e1 25 pouces\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eCCD, Correction des couleurs, IR-Cut\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eMonté (LPFC 6mm)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTYPE DE FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n \u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e2\"\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2458399\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825009333\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,062\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n \u003ctd\u003eplusieurs bandes (voir image spectrale)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e1 millimètre\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eGroupe Phantom Coating®, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e2 pouces\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eCCD, Correction des couleurs, IR-Cut\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eMonté (LPFC 6mm)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTYPE DE FILTRE \u003c\/th\u003e\n\n\u003ctd\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\u003cdiv class=\"moretab\" data-title=\"Downloads \u0026amp; Support\"\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_faq_problems_with_filters_can_have_the_strangest_causes.pdf?v=1684340622?v=1590138683\" target=\"_blank\"\u003eFAQ - Les problèmes avec les filtres peuvent avoir les causes les plus étranges\u003c\/a\u003e\u003c\/p\u003e\n\n \u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_testreview_baader_anti_fringing_filters_astronomy_technology_today.pdf?v=1684340675?v=1590139318\" target=\"_blank\"\u003eRevue de test - Filtres anti-fringing Baader - Astronomy Technology Today\u003c\/a\u003e\u003c\/p\u003e\n\n\n\u003c\/div\u003e","brand":"Baader Planetarium","offers":[{"title":"Monté rond de 1,25 po","offer_id":44967364624669,"sku":"BAA-2458398","price":132.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 2\"","offer_id":44967364657437,"sku":"BAA-2458399","price":238.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Baader-Semi-APO-Filter-1__73856.1597110994.1280.1280.jpg?v=1684341176"},{"product_id":"baader-uv-ir-cut-l-filter-cmos-optimized","title":"Baader UV\/IR-CUT\/L-Filter optimisé CMOS","description":"\u003c!-- more --\u003e \u003cp\u003eBaader Planetarium produit le meilleur filtre anti-UV\/IR au monde. son utilisation est devenue la norme de facto pour les imageurs du monde entier. Ce filtre est indispensable pour toute imagerie numérique avec appareils photo numériques, caméras CCD\/CMOS et WebCams. Également utile pour protéger les précieux filtres H-Alpha du stress thermique et des IR nocifs (Daystar, etc.). En raison de leur qualité optique extrêmement élevée, ces filtres peuvent être empilés et utilisés loin devant le plan focal (nécessaire pour les utilisations en imagerie). Comme le Baader Planetarium Contrast-Booster, le filtre UV-IR-Cut utilise la toute dernière technologie de revêtement, pour offrir la meilleure qualité de filtration - et une durabilité à vie. Disponible dans toutes les tailles courantes montées et non montées pour s'adapter à pratiquement n'importe quelle caméra, y compris la nouvelle taille de 100 mm pour les applications vidéo professionnelles (101 x 143 x 3 mm).\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eTransmission moyenne inégalée de 98 % ! Absence d'images fantômes (multicouche à très faible réflexion, sans stries et substrat plan parallèle). \u003c\/li\u003e\n\n\u003cli\u003eCoupure extrêmement nette à 680 nm (laisse tout le rouge visible, y compris l'importante raie d'émission H-alpha à 656 nm).\u003c\/li\u003e\n\n\u003cli\u003eCoupure nette en dessous de 420 nm. Élimine les halos violets autour des étoiles brillantes (plus efficacement que les filtres photographiques dits Minus Violet plus simples).\u003c\/li\u003e\n\n\u003cli\u003eVéritable substrat et revêtements en verre de qualité optique. Pourquoi dépenser tout votre argent dans des optiques primaires de qualité - uniquement pour placer une optique de filtre de qualité inférieure dans le chemin ?\u003c\/li\u003e\n\n\u003cli\u003eCombinez-le avec l'un des autres filtres Baader pour obtenir les images les plus nettes possibles.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\"J'ai le filtre uv-ir-cut. Monté à l'intérieur d'un objectif de 400 mm que j'ai collé à un appareil photo bon marché de 3,2 MP FONCTIONNE TRÈS BIEN !! Mieux que le miroir chaud fourni avec l'appareil photo plus de canal rouge plus de lumière - vitesse d'obturation plus élevée. un arrêt supplémentaire.\"\u003c\/em\u003e \u003cstrong\u003eLuc Gale\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eLe seul bloqueur infrarouge dans cette gamme de prix doté d'un substrat planoptiquement poli, parallèle à moins de 30 secondes d'arc !\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eReflète le rayonnement thermique destructeur !\u003c\/li\u003e\n\n\u003cli\u003eProtège vos précieux équipements d'observation solaire tels que les filtres DAYSTAR et similaires contre le stress thermique excessif (c'est-à-dire la cuisson du liquide d'immersion !)\u003c\/li\u003e\n\n\u003cli\u003eReste frais et ne se brisera pas s'il est soumis à de fortes contraintes thermiques, car même un rayonnement intensif n'est pas absorbé - comme avec les \"filtres de protection contre la chaleur\" ordinaires, tels que KG-3 ou KG-5. L'énergie est réfléchie grâce à un système d'interférence élaboré de 23 couches de revêtement diélectrique.\u003c\/li\u003e\n\n\u003cli\u003eMoyenne de transmission de 98 % sur tout le spectre visible.\u003c\/li\u003e\n\n\u003cli\u003ePermet d'obtenir des images d'étoiles précises avec des équipements numériques et CCD.\u003c\/li\u003e\n\n\u003cli\u003eLes revêtements Ion-Beam IR-cut ultra-durs et durables peuvent être nettoyés à tout moment sans crainte. \u003c\/li\u003e\n\n\u003cli\u003eBords de revêtement scellés anti-vieillissement\u003c\/li\u003e\n\n\u003cli\u003e7 couches dures et absolument résistantes aux rayures - multicouches avec 0,3 % de réflexion résiduelle par rapport aux 4,6 % habituels d'un substrat non revêtu.\u003c\/li\u003e\n\n\u003cli\u003eAbsence d'images fantômes grâce à des revêtements de la plus haute qualité\u003c\/li\u003e\n\n\u003cli\u003eAvion optiquement poli ! Conserve la pleine résolution d'image même au grossissement le plus élevé pendant l'observation solaire ou la projection de l'oculaire.\u003c\/li\u003e\n\n\u003cli\u003eDisponible en taille 1¼\" et 2\"\u003c\/li\u003e\n\n\u003cli\u003ePetit prix\u003c\/li\u003e\n\n\u003cli\u003eFamille complète d'adaptateurs à monter dans (presque) le train optique de n'importe quel télescope - voir le système Astro T-2 SystemTM.\u003c\/li\u003e\n\n\u003cli\u003eOuverture claire plus grande que n'importe quel filtre concurrent de 1¼\" ou 2\".\u003c\/li\u003e\n\n\u003cli\u003eConception de cellule de filtre meilleure et plus élaborée que n'importe quel filtre concurrent, avec une «couronne» fraisée CNC pour faciliter la manipulation et la fixation. \u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"\/fr-us\/pages\/why-baader-planetarium-filters\"\u003ePourquoi les filtres de planétarium Baader ?\u003c\/a\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"source=\" https:\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTransmission spectrale, filtre UV-IR-CUT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv data-custom-tab\u003e\n\n\u003cp data-custom-tab-title\u003eCaractéristiques\u003c\/p\u003e\n\n\u003cdiv\u003e\n\n\u003ch2\u003e1.25\"\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2459207A\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825009012\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,059\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n \u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003e420 – 680 nm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e2 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e1 25 pouces\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eCoupe IR, Luminance, Coupe UV\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eMonté (LPFC 6mm)\u003c\/td\u003e\n\n \u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTYPE DE FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e2\"\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2459210A\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825008992 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,065\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCOULEUR\u003c\/th\u003e\n\n\u003ctd\u003eNoir\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003e420 – 680 nm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e2 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e2 pouces\u003c\/td\u003e\n\n \u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eCoupe IR, Luminance, Coupe UV\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eMonté (LPFC 6mm)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTYPE DE FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e31mm\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT \u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2459208\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825023728\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,026\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003e420 – 680 nm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e2 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n \u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e31 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eCoupe IR, Luminance, Coupe UV\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eNon monté\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTYPE DE FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e36mm\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2459421\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825023728\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,026\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCOULEUR\u003c\/th\u003e\n\n\u003ctd\u003eNoir\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION \u003c\/th\u003e\n\n\u003ctd\u003e420 – 680 nm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e2 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e36 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eCoupe IR, Luminance, Coupe UV\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eNon monté\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTYPE DE FILTRE \u003c\/th\u003e\n\n\u003ctd\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e50,4 mm\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2459205\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825021373\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n \u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,07\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCOULEUR\u003c\/th\u003e\n\n\u003ctd\u003eNoir\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003e420 – 680 nm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e3 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e50,4 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n \u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eCoupe IR, Luminance, Coupe UV\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eNon monté\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTYPE DE FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erond\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e50x50mm\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n \u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2459206\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825021380\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,073\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCOULEUR\u003c\/th\u003e\n\n\u003ctd\u003eNoir\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003e420 – 680 nm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e3 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR \u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e50 x 50 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eCoupe IR, Luminance, Coupe UV\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eNon monté\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTYPE DE FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE \u003c\/th\u003e\n\n\u003ctd\u003ecarré\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003e65x65mm\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2459401\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825023643\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,087\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCOULEUR\u003c\/th\u003e\n\n\u003ctd\u003eNoir\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n \u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003e420 – 680 nm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e3 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e65 x 65 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eCoupe IR, Luminance, Coupe UV\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eNon monté\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n \u003cth\u003eTYPE DE FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ecarré\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eGéant 101x142mm\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUGS (#)\u003c\/th\u003e\n\n\u003ctd\u003e2459203\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCODE EAN\u003c\/th\u003e\n\n\u003ctd\u003e4047825023803\u003c\/td\u003e\n\n \u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003ePOIDS (KG)\u003c\/th\u003e\n\n\u003ctd\u003e0,064\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd\u003e420 – 680 nm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd\u003e3 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd\u003eà revêtement diélectrique, plan poli optiquement\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eCARACTÉRISTIQUES SPÉCIALES\u003c\/th\u003e\n\n\u003ctd\u003eTaille spéciale : 101x143x3mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTAILLE DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003e101 × 143 mm\u003c\/td\u003e\n\n \u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003eCoupe IR, Luminance, Coupe UV\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd\u003eNon monté\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eTYPE DE FILTRE\u003c\/th\u003e\n\n\u003ctd\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eUNIQUE OU ENSEMBLE ?\u003c\/th\u003e\n\n\u003ctd\u003eFiltre unique\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFORME DU FILTRE\u003c\/th\u003e\n\n\u003ctd\u003erectangulaire\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003eSUPPORTZ \u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_baader_uv_ir_cut_filter.pdf?v=1684340728?v=1590143376\" target=\"_blank\"\u003eBrochure sur les filtres anti-UV\/IR Baader\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_faq_problems_with_filters_can_have_the_strangest_causes.pdf?v=1684340622?v=1590138683\" target=\"_blank\"\u003eFAQ - Les problèmes avec les filtres peuvent avoir les causes les plus étranges\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_halos_no_problem.pdf?v=1684340636?v=1590141382\" target=\"_blank\"\u003eHalo - Pas de problème !\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_testreview_baader_anti_reflection_lrgbc_filters_j_schedler.pdf?v=1684340627?v=1590143376\" target=\"_blank\"\u003eRevue de test - Baader-Anti-Reflection LRGBC-Filters - J. Schedler\u003c\/a\u003e\u003c\/p\u003e \u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_testreview_ir_pass_uv_ir_comparison_w_paech_1.pdf?v=1684340733?v=1590143380\" target=\"_blank\"\u003eRevue de test - Comparaison IR-Pass \/ UV-IR - W. Paech\u003c\/a\u003e\u003c\/p\u003e","brand":"Baader Planetarium","offers":[{"title":"Monté rond de 2\"","offer_id":44967365935389,"sku":"BAA-2961573","price":158.0,"currency_code":"CAD","in_stock":true},{"title":"1.25\" Round Mounted","offer_id":50170696204573,"sku":"BAA-2961570","price":95.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader-UV-IR-CUT-L-Filter-1__54067.1597111001.1280.1280.jpg?v=1684341393"},{"product_id":"zwo-lrgb-optimized-filters","title":"Filtres optimisés ZWO LRGB","description":"\u003c!-- more --\u003e\u003cp\u003e Les nouveaux filtres ZWO LRGB sont conçus pour égaliser approximativement le flux du capteur mono ASI1600\u003c\/p\u003e\n\u003cp\u003e Meilleure transmission, meilleur revêtement, meilleure séparation des couleurs\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eParamètre technique:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Nom : ZWO Nouveaux filtres LRGB optimisés pour ASI1600 (4 filtres)\u003c\/p\u003e\n\u003cp\u003e Taille : 1,25″\u003c\/p\u003e\n\u003cp\u003e Épaisseur : 5,5 mm + 2,5 mm (filetage)\u003c\/p\u003e\n\u003cp\u003e Filetage : M28.5*0.6\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e les poids de combinaison de couleurs RVB seront d'environ 1:1:1\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eFinement poli optiquement pour assurer un front d'onde 1\/4 précis\u003c\/li\u003e\n\n\u003cli\u003eplus de 92 % de transmission dans la bande passante\u003c\/li\u003e\n\n\u003cli\u003eLongueur d'onde infrarouge 700-1100nm coupure \u003c\/li\u003e\n\n\u003cli\u003eBlocage hors bande de précision\u003c\/li\u003e\n\n\u003cli\u003eRevêtement anti-reflet multicouches\u003c\/li\u003e\n\n\u003cli\u003ePetit \"écart\" spectral pour minimiser l'effet de la pollution lumineuse\u003c\/li\u003e\n\n\u003cli\u003ePlus parfocal – épaisseur 1,9+\/-0,03 mm\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003evoici la courbe de transmission\u003c\/p\u003e\n\u003cp\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_ZWO_LRGB_31mm_Filters_LRGB31_6_description.jpeg?v=1684341979\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_ZWO_LRGB_31mm_Filters_LRGB31_6_description.jpeg?v=1684341979\" alt=\"RGBL ASI1600\" width=\"958\" height=\"686\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv data-custom-tab\u003e\n\n\u003cp data-custom-tab-title\u003eCaractéristiques\u003c\/p\u003e\n\n\u003cdiv\u003e\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"ZWO","offers":[{"title":"Monté rond de 1,25 po","offer_id":44967440744733,"sku":"ZWO-LRGB1.25NEW","price":207.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 2\"","offer_id":44967440810269,"sku":"ZWO-LRGB2","price":419.0,"currency_code":"CAD","in_stock":true},{"title":"36mm rond non monté","offer_id":44967440875805,"sku":"ZWO-LRGB36","price":279.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-LRGB-Filters-Optimized-1-25-inch__12893.1596923433.1280.1280.jpg?v=1684341994"},{"product_id":"zwo-uv-ir-cut-filter","title":"ZWO Filtre UV\/IR CUT","description":"\u003c!-- more --\u003e\u003cp\u003e Le filtre ZWO IR UV CUT convient aux caméras couleur avec fenêtre de protection AR.\u003c\/p\u003e\n\u003cp\u003e Le filtre ZWO IR-Cut empêche la lumière infrarouge d'atteindre le capteur de votre caméra CCD ou CMOS ou votre coûteux filtre H-alpha. Lors de l'imagerie, l'ajout de cet accessoire simple et peu coûteux se traduira par des images plus nettes, et lors de travaux solaires, le filtre de coupure IR protégera votre filtre H-alpha des effets néfastes du rayonnement infrarouge.\u003c\/p\u003e \u003cp\u003eLa lumière infrarouge ou IR est invisible à l'œil humain, et donc même si la plupart des télescopes ne sont pas conçus pour focaliser la lumière IR, peu importe quand vous utilisez votre télescope visuellement. Cependant, lorsque vous ajoutez une caméra au mix, c'est une toute autre histoire ! Contrairement à l'œil humain, un capteur au silicium est très sensible à la lumière dans la partie infrarouge du spectre, et c'est un problème car les images infrarouges sont floues lorsqu'elles sortent toutes. Cela signifie que votre belle image lumineuse visuelle nette est dégradée par l'ajout de la couche infrarouge. Ce problème peut facilement être résolu en bloquant l'infrarouge, et le ZWO IR Cut-Off fera exactement cela.\u003c\/p\u003e\n\u003cp\u003e Le filtre ZWO IR-Cut est logé dans une cellule de 1,25\" OU 2\". Le filtre est livré avec un étui de protection en plastique.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_ZWO_UV_IR_CUT_filter_1_25_IRCUT1_25_1_description.jpeg?v=1684342136\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_ZWO_UV_IR_CUT_filter_1_25_IRCUT1_25_1_description.jpeg?v=1684342136\" alt=\"IR-Window-graphique\" width=\"464\" height=\"263\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv data-custom-tab\u003e\n\n\u003cp data-custom-tab-title\u003eCaractéristiques\u003c\/p\u003e\n\n\u003cdiv\u003e\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"ZWO","offers":[{"title":"Monté rond de 1,25 po","offer_id":44967447920925,"sku":"ZWO-IRCUT1.25","price":40.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 2\"","offer_id":44967447953693,"sku":"ZWO-IRCUT2","price":69.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-UV-IR-CUT-Filter-1-25-inch-1__13605.1596910062.1280.1280.jpg?v=1684342154"},{"product_id":"zwo-ar-protective-window","title":"ZWO Fenêtre de Protection AR","description":"\u003c!-- more --\u003e\u003ch2\u003eFenêtre de protection AR\u003c\/h2\u003e\n\u003ch2\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_ZWO_Protective_Window_for_ASI_Cameras_1_description.jpeg?v=1684342166\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_ZWO_Protective_Window_for_ASI_Cameras_1_description.jpeg?v=1684342166\" alt=\"AR-protéger-fenêtre\" width=\"600\" height=\"600\"\u003e\u003c\/a\u003e\n\u003c\/h2\u003e \u003ch2\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_ZWO_Protective_Window_for_ASI_Cameras_2_description.jpeg?v=1684342168\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_ZWO_Protective_Window_for_ASI_Cameras_2_description.jpeg?v=1684342168\" alt=\"AR-fenêtre transparente\" width=\"628\" height=\"256\"\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003ch3\u003e Fenêtre de protection ZWO D21 AR\u003c\/h3\u003e\n\u003cp\u003e \u003cstrong\u003eParamètre technique:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Diamètre : 21 mm\u003c\/p\u003e\n\u003cp\u003e Type : fenêtre AR\u003c\/p\u003e\n\u003cp\u003e Épaisseur : 1,1 mm\u003c\/p\u003e\n\u003cp\u003e Planéité : 1\/4 λ\u003c\/p\u003e\n\u003cp\u003e Protégez le capteur de la poussière et de l'humidité.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eModèle correspondant :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Les caméras fournies avec la fenêtre de protection AR D21 * 1,1 mm sont répertoriées ci-dessous :\u003c\/p\u003e\n\u003cp\u003e ASI120MM-S, ASI224MC, ASI385MC, ASI290MC\/MM, ASI290MINI, ASI178MM, ASI120MINI.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ch3\u003e Fenêtre de protection ZWO D25 AR\u003c\/h3\u003e\n\u003cp\u003e \u003cstrong\u003eParamètre technique:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Diamètre : 25 mm\u003c\/p\u003e\n\u003cp\u003e Type : fenêtre AR\u003c\/p\u003e\n\u003cp\u003e Épaisseur : 1,1 mm\u003c\/p\u003e\n\u003cp\u003e Planéité : 1\/4 λ\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eModèle correspondant :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Série ASI174.\u003c\/p\u003e\n\u003cp\u003e Protégez le capteur de la poussière et de l'humidité.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ch3\u003e Fenêtre de protection ZWO D32 AR\u003c\/h3\u003e\n\u003cp\u003e \u003cstrong\u003eParamètre technique:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Diamètre : 32mm\u003c\/p\u003e\n\u003cp\u003e Type : fenêtre AR\u003c\/p\u003e\n\u003cp\u003e Épaisseur : 2 mm\u003c\/p\u003e\n\u003cp\u003e Planéité : 1\/4 λ\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eModèle correspondant :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Série ASI1600, série ASI294, série ASI183.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cdiv data-custom-tab\u003e\n\n\u003cp data-custom-tab-title\u003eCaractéristiques\u003c\/p\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"ZWO","offers":[{"title":"21mm","offer_id":44967448609053,"sku":"ZWO-D21AR","price":26.0,"currency_code":"CAD","in_stock":true},{"title":"25mm","offer_id":44967448641821,"sku":"ZWO-D25AR","price":26.0,"currency_code":"CAD","in_stock":true},{"title":"60mm","offer_id":44967448674589,"sku":"ZWO-D60AR","price":69.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-Protective-Window-1__97293.1596910060.1280.1280.jpg?v=1684342186"},{"product_id":"zwo-ir-cut-protective-window","title":"ZWO Fenêtre de Protection IR-Cut","description":"\u003c!-- more --\u003e\u003ch2\u003eFenêtre de protection UV IR-CUT\u003c\/h2\u003e\n\u003cp\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_ZWO_Protective_Window_for_ASI_Cameras_3_description.jpeg?v=1684342180\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_ZWO_Protective_Window_for_ASI_Cameras_3_description.jpeg?v=1684342180\" alt=\"Fenêtre de protection IR\" width=\"600\" height=\"600\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_ZWO_Protective_Window_for_ASI_Cameras_4_description.jpeg?v=1684342182\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/6\/assets\/description_image_ZWO_Protective_Window_for_ASI_Cameras_4_description.jpeg?v=1684342182\" alt=\"IR-Window-graphique\" width=\"464\" height=\"263\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e Fenêtre de protection ZWO D21 UV IR-CUT\u003c\/h3\u003e\n\u003cp\u003e \u003cstrong\u003eParamètre technique:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Diamètre : 21 mm\u003c\/p\u003e\n\u003cp\u003e Type: fenêtre UV IR-cut\u003c\/p\u003e\n\u003cp\u003e Épaisseur : 1,1 mm\u003c\/p\u003e\n\u003cp\u003e Planéité : 1\/4 λ\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eModèle correspondant :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Série ASI120, série ASI120-S, série ASI178, série ASI290, série ASI224MC, série ASI385, série ASI185MC.\u003c\/p\u003e\n\u003cp\u003e Protégez le capteur de la poussière et de l'humidité.\u003c\/p\u003e \u003cp\u003eLes caméras livrées avec la fenêtre de protection IR D21 * 1,1 mm sont répertoriées ci-dessous :\u003c\/p\u003e\n\u003cp\u003e ASI120MC-S, ASI178MC.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ch3\u003e Fenêtre de protection ZWO D25 UV IR-CUT\u003c\/h3\u003e\n\u003cp\u003e \u003cstrong\u003eParamètre technique:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Diamètre : 25 mm\u003c\/p\u003e\n\u003cp\u003e Type: fenêtre UV IR-cut\u003c\/p\u003e\n\u003cp\u003e Épaisseur : 1,1 mm\u003c\/p\u003e\n\u003cp\u003e Planéité : 1\/4 λ\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eModèle correspondant :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Il est utilisé pour ASI174MM ASI174MC ASI174MM-COOL ASI174MC-COOL pour protéger le capteur de la poussière et de l'humidité.\u003c\/p\u003e\n\u003cdiv data-custom-tab\u003e\n\n\u003cp data-custom-tab-title\u003eCaractéristiques\u003c\/p\u003e\n\n\u003cdiv\u003e\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"ZWO","offers":[{"title":"21mm","offer_id":44967449723165,"sku":"ZWO-D21IR-CUT1","price":26.0,"currency_code":"CAD","in_stock":true},{"title":"25mm","offer_id":44967449755933,"sku":"ZWO-D25IR-CUT1","price":26.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-Protective-Window-1__97293.1596910060.1280.1280__39733.1596912514.1280.1280.jpg?v=1684342198"},{"product_id":"optolong-lrgb-ha-oiii-sii-filter-set","title":"Ensemble de filtres Optolong LRGB, Ha, OIII et SII","description":"\u003c!-- more --\u003e\u003cp\u003e\u003cspan\u003eLe jeu de filtres Optolong LRGB est conçu pour un contraste maximal et avec des gradients extrêmement élevés pour une différenciation claire des couleurs. Le jeu de filtres LRGB divise le spectre en ses composants rouge, vert, bleu et luminance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eL'émission OIII se chevauche sur les filtres bleu et vert avec une transmission maximale pour permettre une haute efficacité et une imagerie couleur naturelle. L'espace entre les filtres vert et rouge sert à bloquer la ligne primaire de pollution lumineuse au sodium à 589 nm et améliore l'équilibre et la séparation des couleurs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\u003cspan\u003eRVB, parfocale : 1:1:1\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eCréez des images dans leurs vraies couleurs d'origine montrant une richesse de détails naturels;\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cspan\u003eFiltres passe-bande raides pour éliminer les interférences UV et IR ;\u003c\/span\u003e \u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eInclut des filtres de luminance (coupe UV\/IR), rouge, vert et bleu pour reproduire la couleur de l'étoile ;\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eLe kit de filtres Optolong SHO6.5nm comprend des filtres à bande étroite SII6.5nm, H-Alpha7nm et OIII6.5nm, fonctionnant généralement avec un CCD de refroidissement monochrome astronomique et une imagerie DSLR modifiée dans chaque canal unique. Correspondant au canal RVB (Ha, OIII, SII), les photographes peuvent traiter les images Hubble par un logiciel de post-traitement astronomique.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eLe filtre SIICCD 6,5 nm à bande extra étroite (Sulful II pour CCD) est conçu pour l'observation des nébuleuses permettant une bande passante de 12 nm de lumière centrée sur une longueur d'onde de 672 nm et réduisant la transmission de certaines longueurs d'onde de lumière, en particulier celles produites par la lumière artificielle, y compris la vapeur de mercure, et les lampes à vapeur de sodium à haute et basse pression et la lumière naturelle indésirable causée par l'émission d'oxygène neutre dans notre atmosphère (c'est-à-dire la lueur du ciel)\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eLe filtre H-Alpha 7 nm est le filtre à bande étroite populaire permettant une bande passante de 7 nm de lumière centrée sur une longueur d'onde de 656 nm et réduisant la transmission de certaines longueurs d'onde de lumière, en particulier celles produites par la lumière artificielle, y compris la vapeur de mercure, et le sodium haute et basse pression. les lumières à vapeur et la lumière naturelle indésirable causée par l'émission d'oxygène neutre dans notre atmosphère (c'est-à-dire la lueur du ciel). Meilleur choix de filtre d'astrophotographie H-alpha à bande étroite pour un contraste maximal et révélant les détails subtils de la nébuleuse.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eLe filtre extra bande étroite OIII-CCD 6,5 nm est conçu pour l'observation des nébuleuses permettant une bande passante de 6,5 nm de lumière centrée sur une longueur d'onde de 500 nm, ce qui correspond aux lignes d'émission OIII, et réduisant la transmission de certaines longueurs d'onde de lumière, en particulier celles produites par la lumière artificielle y compris la vapeur de mercure et les lampes à vapeur de sodium à haute et basse pression et la lumière naturelle indésirable causée par l'émission d'oxygène neutre dans notre atmosphère (c'est-à-dire la lueur du ciel).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eOIII émet 495,9 nm et 500,7 nm et c'est un filtre de couleur bleu-vert. De nombreuses images de nébuleuses planétaires et de restes de supernova sont prises uniquement avec des filtres H-alpha et OIII. Ils montrent de grands détails structurels, mais ont des couleurs naturelles, ressemblant à une image RVB.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003e\u003cstrong\u003eCaractéristiques:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eOffrez-vous un contraste plus élevé et une visualisation plus détaillée ;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eDiminuer le bruit de fond et améliorer le contraste des objets ;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eAugmentez le faible signal de nébuleuse et faites-en une luminosité;\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eAvec le kit de filtres à bande étroite, vous pouvez traiter une image hubble ;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eGrâce à l'optimisation du substrat et à la mise à niveau de la technologie de revêtement, le halo autour des étoiles a été considérablement amélioré, en particulier dans O3.\u003c\/span\u003e\u003c\/p\u003e","brand":"Optolong","offers":[{"title":"1.25\" Monté","offer_id":44967911293213,"sku":"OPT-LRGBSHO-1.25","price":931.0,"currency_code":"CAD","in_stock":true},{"title":"36mm rond non monté","offer_id":44967911358749,"sku":"OPT-LRGBSHO-RD36","price":1085.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Monté","offer_id":44967911391517,"sku":"OPT-LRGBSHO-2","price":1413.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Optolong-LRGB-Ha-OIII-SII-Filter-Set__74483.1626291721.1280.1280.jpg?v=1684346905"},{"product_id":"optolong-lrgb-filter-set","title":"Ensemble de filtres Optolong LRGB","description":"\u003c!-- more --\u003e\u003cp\u003e \u003cspan\u003eLe jeu de filtres Optolong LRGB est conçu pour un contraste maximal et avec des gradients extrêmement élevés pour une différenciation claire des couleurs. Le jeu de filtres LRGB divise le spectre en ses composants rouge, vert, bleu et luminance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\u003cspan\u003eRVB, parfocale : 1:1:1\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cspan\u003eCréez des images dans leurs vraies couleurs d'origine montrant une richesse de détails naturels;\u003c\/span\u003e \u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eFiltres passe-bande raides pour éliminer les interférences UV et IR ;\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eInclut des filtres de luminance (coupe UV\/IR), rouge, vert et bleu pour reproduire la couleur de l'étoile ;\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Optolong","offers":[{"title":"1.25\" Monté","offer_id":44967917781277,"sku":"OPT-LRGB-1.25","price":349.0,"currency_code":"CAD","in_stock":true},{"title":"36mm rond non monté","offer_id":44967917846813,"sku":"OPT-LRGB-RD36","price":419.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Monté","offer_id":44967917879581,"sku":"OPT-LRGB-2","price":503.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Optolong-LRGB__36364.1632349103.1280.1280.jpg?v=1684347024"},{"product_id":"baader-lrgb-filter-set-cmos-optimized","title":"Ensemble de filtres Baader LRGB - Optimisé CMOS","description":"\u003c!-- more --\u003e\u003cp\u003e Nouveaux filtres L-RGB optimisés CMOS de Baader Planetarium avec \u003cspan\u003eReflex-Blocker™\u003c\/span\u003e et \u003cspan\u003eLife-Coat™.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eFiltre passe-bande RVB CMOS Baader\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eRVB-R (595 – 690 mm)\u003c\/li\u003e\n\n\u003cli\u003eRVB-G (490 – 580 mm)\u003c\/li\u003e\n\n\u003cli\u003eRVB-B (400 – 510 mm\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBaader CMOS UV\/IR Passe-Bande \/ Filtre L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eCoupe UV\/IR (420 – 685 nm)\u003c\/li\u003e\n\n\u003cli\u003eReflète le rayonnement thermique nocif dans la gamme spectrale infrarouge\u003c\/li\u003e\n\n\u003cli\u003eFournit une transmission de 98 % sur tout le spectre visible de 420 à 685 nm\u003c\/li\u003e\n\n\u003cli\u003eEmpêche l'image floue des étoiles avec les caméras numériques et CCD\/CMOS sensibles au rouge\u003c\/li\u003e\n\n\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eLa nouvelle génération de filtres Baader optimisés CMOS présente :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eOptimisé pour les caméras CMOS modernes, mais également excellent pour les anciennes technologies de caméra CCD\u003c\/li\u003e\n\n\u003cli\u003eFiltre RVB anti-reflet (rouge\/vert\/bleu) avec une transmission extrêmement élevée du canal de couleur respectif, réduisant ainsi simultanément la lumière parasite et les reflets à un niveau sans précédent\u003c\/li\u003e\n\n\u003cli\u003eLa conception RVB équilibrée permet de prendre des sous-images avec le même temps d'exposition - extrêmement important pour les tâches d'imagerie automatisées\u003c\/li\u003e\n\n\u003cli\u003eContraste accru\u003c\/li\u003e\n\n\u003cli\u003eRevêtements Reflex-Blocker™\u003c\/li\u003e\n\n\u003cli\u003eFWHM sur chaque catégorie de filtre soigneusement conçu pour permettre des expositions 1: 1: 1, adaptées à l'efficacité quantique CMOS typique et au rapport s\/n\u003c\/li\u003e\n\n \u003cli\u003eBords noircis tout autour, avec indicateur côté fil du filtre sous la forme d'un bord extérieur noir à l'avant, pour éliminer en outre toute réflexion due à la lumière tombant sur le bord d'un filtre avec indicateur côté fil du filtre sous la forme de un bord extérieur noir à côtés télescopiques\u003c\/li\u003e\n\n\u003cli\u003eChaque filtre est recouvert individuellement, avec un bord de revêtement scellé (PAS découpé dans une plaque plus grande avec des revêtements laissés exposés. En savoir plus)\u003c\/li\u003e\n\n\u003cli\u003eReflex-Blocker™ à revêtement dur et planoptiquement poli - avec bords de revêtement scellés (Life-Coat™)\u003c\/li\u003e\n\n\u003cli\u003eLife-Coat™ : des revêtements toujours plus durs pour permettre un revêtement inaltérable à vie, même dans les environnements les plus défavorables\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGarantie à vie limitée pour les filtres Baader optimisés CMOS\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eUne exclusivité du Planétarium Baader. Les filtres incorporant la technologie Life-Coat™ de Baader Planetarium sont si durables que Baader Planetarium garantit les revêtements pour la durée de vie du filtre. Baader Planetarium a développé Life-Coat ™ en utilisant des matériaux et des processus qui donnent des revêtements qui ne se dégraderont pas ou ne tomberont pas en panne pendant toute une vie. Les revêtements Life-Coat™ résistent à l'humidité, aux températures extrêmes et sont durcis pour résister aux nettoyages normaux.\u003c\/p\u003e\n\u003cp\u003e Baader Planetarium garantit que ses revêtements Life-Coat™ ne s'écailleront pas, ne s'écailleront pas ou ne se dégraderont pas physiquement et résisteront à un nettoyage répété avec un équipement de nettoyage optique fin. La garantie à vie limitée s'applique à l'acheteur d'origine et ne couvre pas les pannes dues à une mauvaise utilisation, aux dommages physiques dus à une mauvaise manipulation ou à un nettoyage inapproprié.\u003c\/p\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"data-table\"\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth class=\"label\"\u003eFABRICANT\u003c\/th\u003e\n\n\u003ctd class=\"data\"\u003ePlanétarium Baader\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n \u003cth class=\"label\"\u003eTaille\u003c\/th\u003e\n\n\u003ctd class=\"data\"\u003e\u003cp\u003e1.25\"\u003cbr\u003e 2\"\u003cbr\u003e 31 millimètres\u003cbr\u003e 36 millimètres\u003cbr\u003e 50,4 millimètres\u003cbr\u003e 50 x 50 mm\u003cbr\u003e 65 x 65 mm\u003c\/p\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth class=\"label\"\u003ePOIDS NET \/ KG)\u003c\/th\u003e\n\n\u003ctd class=\"data\"\u003e0,06 - 0,09\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth class=\"label\"\u003eCOULEUR\u003c\/th\u003e\n\n\u003ctd class=\"data\"\u003eNoir\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth class=\"label\"\u003eGAMME DE TRANSMISSION\u003c\/th\u003e\n\n\u003ctd class=\"data\"\u003e\u003cspan\u003eL (420 – 685 nm), R (595 – 690 nm), G (490 – 580 nm), B (400 – 510 nm)\u003c\/span\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth class=\"label\"\u003eÉPAISSEUR DU FILTRE (SANS CELLULE)\u003c\/th\u003e\n\n\u003ctd class=\"data\"\u003e2 millimètres\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth class=\"label\"\u003eREVÊTEMENT AR\u003c\/th\u003e\n\n\u003ctd class=\"data\"\u003eReflex-Blocker™ à revêtement dur, planoptiquement poli \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth class=\"label\"\u003eCARACTÉRISTIQUES SPÉCIALES\u003c\/th\u003e\n\n\u003ctd class=\"data\"\u003eOptimisé CMOS avec\u003cspan\u003e\u003c\/span\u003e Life-Coat™\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth class=\"label\"\u003eUTILISATION DU FILTRE\u003c\/th\u003e\n\n\u003ctd class=\"data\"\u003e\u003cspan\u003eCMOS, CCD, IR-Cut, Luminance, RVB, UV-Cut\u003c\/span\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth class=\"label\"\u003eFILTRE MONTÉ\u003c\/th\u003e\n\n\u003ctd class=\"data\"\u003e1.25\" \u0026amp; 2\" Monté (LPFC 6mm) \/ reste non monté\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003cth class=\"label\"\u003eTYPE DE FILTRE\u003c\/th\u003e\n\n\u003ctd class=\"data\"\u003ePasse-bande\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Baader Planetarium","offers":[{"title":"Monté rond de 1,25 po","offer_id":44967944290589,"sku":"BAA-2961610","price":436.0,"currency_code":"CAD","in_stock":true},{"title":"Monté rond de 2\"","offer_id":44967944323357,"sku":"BAA-2961613","price":721.0,"currency_code":"CAD","in_stock":true},{"title":"Filtre non monté rond de 31 mm","offer_id":44967944356125,"sku":"BAA-2961611","price":445.0,"currency_code":"CAD","in_stock":true},{"title":"Filtre non monté rond de 36 mm","offer_id":44967944388893,"sku":"BAA-2961612","price":561.0,"currency_code":"CAD","in_stock":true},{"title":"Filtre non monté rond de 50,4 mm","offer_id":44967944454429,"sku":"BAA-2961614","price":794.0,"currency_code":"CAD","in_stock":true},{"title":"Filtre carré 50x50mm","offer_id":44967944487197,"sku":"BAA-2961615","price":925.0,"currency_code":"CAD","in_stock":true},{"title":"Filtre carré 65x65mm","offer_id":44967944519965,"sku":"BAA-2961616","price":1216.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Baader-LRGB-Flter-Set-CMOS-Optimized__25325.1638461562.1280.1280.jpg?v=1684347202"},{"product_id":"antlia-lrgb-v-pro-filter-set","title":"Antlia Kit de filtres LRGB-V Pro","description":"\u003c!-- more --\u003e \u003cp\u003e\u003cspan\u003eLes filtres de la série Antlia LRGB-V Pro sont conçus pour les caméras monochromes qui utilisent à la fois des capteurs CCD et CMOS.\u003c\/span\u003e \u003cspan\u003eLes capteurs\u003c\/span\u003e \u003cspan\u003eappropriés\u003c\/span\u003e \u003cspan\u003eincluent les capteurs KAF\/KAI, les capteurs Sony IMX, GSENSE et d'autres fabricants de capteurs. L'\u003c\/span\u003e \u003cspan\u003eensemble\u003c\/span\u003e \u003cspan\u003eLRGB-V\u003c\/span\u003e Pro \u003cspan\u003eest conçu\u003c\/span\u003e \u003cspan\u003epour égaliser approximativement la réponse RVB\u003c\/span\u003e \u003cspan\u003edu\u003c\/span\u003e \u003cspan\u003eflux\u003c\/span\u003e des détecteurs \u003cspan\u003eCCD\u003c\/span\u003e \u003cspan\u003esensibles au rouge\u003c\/span\u003e \u003cspan\u003e. Le résultat est que\u003c\/span\u003e \u003cspan\u003evous obtenez\u003c\/span\u003e \u003cspan\u003edes expositions\u003c\/span\u003e RVB égalisées 1:1:1 \u003cspan\u003eavec\u003c\/span\u003e \u003cspan\u003el'\u003c\/span\u003e \u003cspan\u003eavantage d'\u003c\/span\u003e \u003cspan\u003eun post-\u003c\/span\u003e traitement \u003cspan\u003esimplifié\u003c\/span\u003e \u003cspan\u003eet d'un temps d'imagerie réduit.\u003c\/span\u003e \u003cspan\u003eLes nouveaux filtres de la série LRGB-V Pro présentent un\u003c\/span\u003e \u003cspan\u003eécart\u003c\/span\u003e \u003cspan\u003espectral soigneusement conçu\u003c\/span\u003e entre \u003cspan\u003eles\u003c\/span\u003e canaux \u003cspan\u003evert et rouge\u003c\/span\u003e \u003cspan\u003epour\u003c\/span\u003e \u003cspan\u003eminimiser l'effet de la pollution lumineuse et\u003c\/span\u003e \u003cspan\u003efournir une transmission élevée des\u003c\/span\u003e \u003cspan\u003efréquences utiles.\u003c\/span\u003e \u003cspan\u003eLa\u003c\/span\u003e \u003cspan\u003econception des filtres\u003c\/span\u003e \u003cspan\u003emaximise la capture des détails des émissions de galaxies et de nébuleuses plus faibles.\u003c\/span\u003e \u003cspan\u003eLes filtres de la série LRGB-V Pro\u003c\/span\u003e \u003cspan\u003egarantissent une transmission élevée\u003c\/span\u003e \u003cspan\u003ede\u003c\/span\u003e \u003cspan\u003ela bande OIII dans\u003c\/span\u003e \u003cspan\u003eles filtres B\u003c\/span\u003e \u003cspan\u003eet\u003c\/span\u003e \u003cspan\u003eG\u003c\/span\u003e \u003cspan\u003e(signal OIII\u003c\/span\u003e \u003cspan\u003e\u0026gt; 95 % en bleu et\u003c\/span\u003e \u003cspan\u003evert). La bande passante du canal B\u003c\/span\u003e \u003cspan\u003eest\u003c\/span\u003e \u003cspan\u003eréduite dans le\u003c\/span\u003e \u003cspan\u003ebut d'améliorer le\u003c\/span\u003e débordement du canal \u003cspan\u003ebleu\u003c\/span\u003e \u003cspan\u003e(halo) autour de l'étoile en raison de la surexposition du canal B.\u003c\/span\u003e \u003cspan\u003eLes filtres de la série Antlia LRGB-V Pro bloquent la ligne d'émission autour de 589 nm par la conception d'un large écart entre\u003c\/span\u003e \u003cspan\u003eles filtres G et R, ce qui supprime une grande partie de la pollution lumineuse des lampadaires au sodium et au mercure à haute pression et se traduit\u003c\/span\u003e \u003cspan\u003epar un équilibre des couleurs plus naturel. L'uniformité de l'épaisseur du substrat offre de bonnes performances parfocales sur tous\u003c\/span\u003e \u003cspan\u003eles filtres Antlia.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePoint culminant de l'ensemble de la série LRGB-V Pro\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003e1. Technologie de revêtement haut de gamme et substrat finement poli Nos processus de sélection de la qualité sont optimisés pour garantir des substrats de verre hautement homogènes. Notre application d'une technologie de revêtement optique avancée et d'un polissage de précision double face permet d'obtenir des performances parfocales et optiques constantes sur tous les filtres. 2. Équilibre des couleurs et contraste maximisés pour chacun des trois canaux RVB et excellentes performances S\/B Des dizaines de couches de revêtement sont déposées des deux côtés du substrat en verre, ce qui permet aux filtres LRGB-V Pro d'atteindre un SNR élevé. Les revêtements anti-reflet et les écarts spectraux soigneusement conçus minimisent la diffusion de lumière indésirable et maximisent les données de signal utiles pour chaque canal de filtre.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan\u003e3. Profils d'étoiles plus serrés et réduction du halo Le taux de coupure de l'ensemble de la série LRGB-V Pro est conçu à un niveau élevé pour minimiser les halos autour des étoiles plus brillantes et réduire le gonflement des étoiles. Notre conception soignée des caractéristiques de transmission du canal bleu cible le problème du gonflement des étoiles bleues.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eApplications et performances :\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003e1. Conçu pour les caméras monochromes CCD et CMOS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003e2. Excellentes couleurs d'imagerie pour les objets célestes, les galaxies, les amas d'étoiles et les nébuleuses\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003e3. Conception de film anti-reflet AR pour la réflexion secondaire et la réduction du halo d'étoiles\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003e4. R-Filter fournit une transmission maximale des émissions H-alpha et S II\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003e5. Le chevauchement B\/G double l'énergie dans la ligne OIII\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003e6. La conception RVB équilibrée offre des temps d'exposition 1: 1: 1 pour la plupart des systèmes optiques de télescope\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003e7. Tous les filtres Antlia LRGB-V Pro sont noircis pour éliminer les reflets internes de la lumière parasite\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan\u003e8. L'épaisseur du substrat de chacun des quatre filtres LRGB est maintenue à des tolérances serrées\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003e9. Non recommandé pour l'observation et l'imagerie solaires\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003e10. Non recommandé pour l'observation visuelle\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eRemarque importante : lors de l'utilisation de filtres parfocaux, l'utilisateur peut encore rencontrer des décalages de mise au point entre les filtres pendant de longues sessions d'imagerie. Il est important de se rappeler que les changements de température modifieront la longueur du chemin optique en raison de la contraction différentielle entre le tube du télescope et les éléments optiques en verre. Il est recommandé aux photographes de vérifier la mise au point manuellement ou automatiquement dans le logiciel toutes les 1 à 2 heures. Dans les cas où le télescope a été amené d'un environnement chaud à l'extérieur, des contrôles de mise au point plus fréquents sont nécessaires jusqu'à ce que l'équipement se soit stabilisé plus près de la température ambiante.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eSpécifications techniques:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eSubstrat de base : substrat optique\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eÉpaisseur du filtre :\u003c\/span\u003e \u003cspan\u003e2 mm +\/- 0,05 mm pour 1,25''\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eQualité de surface : S\/D (rayure\/creusement)= 60\/40 (Se référer à MIL-O-13830)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eFront d'onde transmis : Lambda\/4 ou mieux.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eParallélisme : moins de 30 secondes d'arc\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eSubstrat simple \/ non collé\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eGarantie : 3 ans contre le délaminage\u003c\/span\u003e\u003c\/p\u003e","brand":"Antlia","offers":[{"title":"1.25\" Monté","offer_id":44968069628189,"sku":"ANT-LRGB-1.25","price":426.0,"currency_code":"CAD","in_stock":true},{"title":"31mm non monté","offer_id":44968069660957,"sku":"ANT-LRGB-RD31","price":454.0,"currency_code":"CAD","in_stock":true},{"title":"36mm non monté","offer_id":44968069693725,"sku":"ANT-LRGB-RD36","price":511.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Monté","offer_id":44968069726493,"sku":"ANT-LRGB-2","price":667.0,"currency_code":"CAD","in_stock":true},{"title":"50mm non monté","offer_id":44968069759261,"sku":"ANT-LRGB-RD50","price":852.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Antlia-LRGB-Filter-Set__87918.1670360421.1280.1280.jpg?v=1684348658"},{"product_id":"optolong-uv-ir-cut-filter","title":"Filtre anti-UV\/IR Optolong","description":"\u003c!-- more --\u003e\u003cp\u003e Le filtre Optolong UV\/IR Cut est conçu pour le blocage des longueurs d'onde ultraviolettes et infrarouges afin d'améliorer la netteté de l'image car la plupart des optiques sont conçues pour le spectre visible, car il est très difficile de créer une lentille avec le même point focal pour le visible et l'IR spectre.\u003cbr\u003e Il est utilisé sur un appareil photo numérique et la vidéo, qui n'ont pas de filtre de protection IR vers un capteur d'image ou qui ont été remodelés. Ceci est important car les capteurs CCD et CMOS non filtrés sont extrêmement sensibles aux rayons UV et IR juste en dehors du spectre visible, ce qui peut avoir un impact très négatif sur la qualité de l'image.\u003cbr\u003e Utilisation principale et performances\u003cbr\u003e Convient aux caméras couleur CMOS et CCD et aux reflex numériques modifiés.\u003cbr\u003e À utiliser avec un CCD monochrome pour l'astrophotographie. \u003cbr\u003eDisponible pour aider à la mise au point.\u003cbr\u003e Agit comme un pare-poussière exceptionnel, qui empêche la possibilité de dépôt de poussière sur l'objectif pendant une exposition prolongée.\u003c\/p\u003e","brand":"Optolong","offers":[{"title":"1.25\" Monté","offer_id":44968071528733,"sku":"OPT-10601","price":62.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Monté","offer_id":44968071561501,"sku":"OPT-10602","price":91.0,"currency_code":"CAD","in_stock":true},{"title":"36mm Round Unmounted","offer_id":52942348583197,"sku":"OPT-10604","price":77.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Optolong-UV-IR-Cut-2__28842.1673896686.1280.1280.jpg?v=1684348673"},{"product_id":"pegasus-astro-lrgb-filter-set-2","title":"Pegasus Astro LRGB Filter Set - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eComplete 4-filter LRGB set for broadband deep-sky imaging\u003c\/li\u003e\n\u003cli\u003eStandard 2-inch mounted format for wide compatibility\u003c\/li\u003e\n\u003cli\u003eGuaranteed 1\/4 wavefront optical precision\u003c\/li\u003e\n\u003cli\u003eParfocal design minimizes refocusing between filter changes\u003c\/li\u003e\n\u003cli\u003eIncludes Luminance (UV\/IR Cut), Red, Green, and Blue filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003e2-inch Mounted Photographic LRGB Filter Set\u003c\/h2\u003e\n\u003cp\u003eThis complete 4-filter LRGB set provides the essential components for full-color, broadband deep-sky astrophotography in a standard 2-inch mounted format. Each of the four filters—Luminance, Red, Green, and Blue—is manufactured to a 1\/4 wavefront optical standard, ensuring that the precision of your telescope's optics is not compromised. The entire set is parfocal, enabling a streamlined imaging workflow that keeps you focused on capturing data, not chasing focus between exposures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e1\/4 Wavefront Precision for Sharper Stars\u003c\/h3\u003e\n\u003cp\u003eThe optical quality of your filters is as critical as your telescope's primary mirror or objective lens. This LRGB filter set is specified to a 1\/4 wavefront tolerance over the entire surface, preventing astigmatism or other aberrations that can soften star images. Combined with multilayer anti-reflection coatings, these filters maximize light transmission while suppressing internal reflections, delivering high-contrast views of galaxies, star clusters, and nebulae without distracting halos around bright stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eParfocal Design: Focus Once for All 4 Filters\u003c\/h3\u003e\n\u003cp\u003eIn astrophotography, time is precious. This LRGB filter set is designed to be parfocal, meaning there is negligible focus shift when you switch between the Luminance, Red, Green, and Blue filters. This allows you to achieve critical focus once with your Luminance filter and then cycle through the color filters for the rest of your imaging session without constant, time-consuming refocusing. This is especially critical for automated imaging sequences where maintaining sharp focus across all channels is essential for a high-quality final image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eBroadband LRGB Imaging with Full UV\/IR Control\u003c\/h3\u003e\n\u003cp\u003eThis set is engineered for classic broadband imaging, the technique used to capture the natural colors of deep-sky objects. The Red, Green, and Blue filters isolate the primary color channels, while the Luminance filter captures fine detail across the visible spectrum. The Luminance filter also functions as a crucial UV\/IR cut filter, blocking unwanted infrared and ultraviolet wavelengths that can cause star bloat and reduce sharpness, a common issue in reflector and refractor telescopes that are not perfectly color-corrected outside the visible spectrum.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"parfocal\" mean for this 2-inch LRGB filter set?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eParfocal\u003c\/strong\u003e means all four filters in the set are manufactured to have the same focal point. In practice, this allows you to achieve sharp focus with one filter (typically Luminance) and then switch to any of the other three (Red, Green, or Blue) without needing to significantly adjust your focuser. This saves a tremendous amount of time and is a key feature for efficient imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the 1\/4 wavefront specification important for these LRGB filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA \u003cstrong\u003e1\/4 wavefront\u003c\/strong\u003e specification is a measure of optical surface accuracy. It ensures that the filter itself is flat enough not to introduce distortions into the light path. This preserves the sharpness of your telescope's optics, resulting in tighter stars and finer detail in your final astrophotos.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will this 2-inch LRGB filter set perform on a galaxy like Andromeda (M31) with an f\/5 Newtonian?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis set is ideal for targets like the Andromeda Galaxy (M31). The Luminance filter will capture the faint outer arms and intricate dust lanes with high detail, while the RGB filters will gather the color data for the galaxy's yellowish core and blue star-forming regions. The multilayer coatings are particularly effective in fast optical systems like an f\/5 Newtonian, controlling reflections from bright stars within the galaxy's field of view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this LRGB filter set to image the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, you can. As a broadband target with strong emission lines, the Orion Nebula (M42) will show its natural colors well with this LRGB set. However, for targets dominated by specific gases (like most emission nebulae), astrophotographers often use narrowband filters (like H-alpha or OIII) to isolate those structures more effectively, especially from light-polluted skies. This LRGB set is the go-to choice for broadband targets like galaxies, reflection nebulae, and star clusters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the purpose of the UV\/IR Cut feature on the Luminance filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTelescope optics, especially refractors and reflectors, often do not bring ultraviolet (UV) and infrared (IR) light to the same focal point as visible light. This can result in bloated, unfocused stars and a soft overall image. The \u003cstrong\u003eUV\/IR Cut\u003c\/strong\u003e function of the Luminance filter blocks these out-of-focus wavelengths, allowing only the visible spectrum to pass through, which results in a significantly sharper, higher-contrast detail channel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eAre these 2-inch filters compatible with my filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThese are standard 2-inch mounted filters, which use M48x0.75 threads. They are compatible with virtually all 2-inch filter wheels and filter drawers on the market that accept this common standard.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eLRGB Set (Luminance, Red, Green, Blue)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e2-inch, mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThreads\u003c\/td\u003e\n\u003ctd\u003eM48x0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Quality\u003c\/td\u003e\n\u003ctd\u003e1\/4 Wavefront\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eMultilayer Anti-Reflection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParfocal\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLuminance Filter\u003c\/td\u003e\n\u003ctd\u003eIncludes UV\/IR Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2-inch Luminance (UV\/IR Cut) Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2-inch Red Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2-inch Green Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2-inch Blue Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eProtective Storage Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/pegasus-astro-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003e2-Year Manufacturer Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pegasus Astro","offers":[{"title":"Default Title","offer_id":50639307669789,"sku":"PEG-FLTR-2M-LRGB","price":470.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Pegasus-Astro-LRGB-Filter-Set.png?v=1763585844"},{"product_id":"player-one-uv-ir-cut-s-series-filter","title":"Player One UV\/IR-Cut S-Series Filter - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eCorrects Color Balance for Color Cameras\u003c\/li\u003e\n\u003cli\u003eBlocks Unwanted Ultraviolet (UV) and Infrared (IR) Light\u003c\/li\u003e\n\u003cli\u003eEnhances Contrast for Lunar and Solar Imaging\u003c\/li\u003e\n\u003cli\u003eHigh-Quality S-Series Optical Glass Substrate\u003c\/li\u003e\n\u003cli\u003eDurable Multi-Layer Composite Coatings\u003c\/li\u003e\n\u003cli\u003eStandard 1.25\" Filter Threading\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003ePlayer One UV\/IR-Cut S-Series Filter - 1.25\"\u003c\/h2\u003e\n\u003cp\u003eThe Player One UV\/IR-Cut S-Series Filter is an essential tool for achieving accurate color and maximum sharpness in planetary, lunar, and solar astrophotography, designed to fit any standard 1.25\" eyepiece or accessory.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eRestoring True Color Balance with the 1.25\" S-Series Filter\u003c\/h3\u003e\n\u003cp\u003eModern color astronomy cameras, like the Player One Mars-C, have sensors that are highly sensitive to light beyond the visible spectrum. This sensitivity to ultraviolet (UV) and infrared (IR) light can cause color shifts, often resulting in a purple or magenta cast in your images and bloated, unfocused stars. The Player One UV\/IR-Cut filter solves this by selectively blocking these wavelengths, ensuring that only visible light reaches the sensor for images with natural, true-to-life color balance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Critical Filter for High-Contrast Solar and Lunar Imaging\u003c\/h3\u003e\n\u003cp\u003eBeyond color correction, blocking unfocused IR radiation is critical for image sharpness. Strong infrared light, especially prevalent during solar and lunar imaging, can reduce image clarity and soften fine details. By adding this UV\/IR-Cut filter to your imaging train, you eliminate this source of low-contrast haze. This results in visibly sharper views of lunar crater rims, rilles, and the subtle details within solar sunspots and granulation (when used with a dedicated, safe solar filter).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy do I need the Player One UV\/IR-Cut filter for my color camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYour color camera's sensor can \"see\" ultraviolet and infrared light that your eyes cannot. This out-of-band light focuses at a different point than visible light, causing color fringing, bloated stars, and a loss of detail. The \u003cstrong\u003ePlayer One UV\/IR-Cut filter\u003c\/strong\u003e blocks this unwanted light, resulting in correct color balance and sharper images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Player One 1.25\" UV\/IR-Cut filter improve my images of Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. Planets like Jupiter and Saturn have distinct color zones that are washed out by infrared light. Using the \u003cstrong\u003ePlayer One UV\/IR-Cut filter\u003c\/strong\u003e will help render the Great Red Spot, cloud bands, and Cassini Division with more accurate color and higher contrast.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Player One UV\/IR-Cut S-Series filter for solar imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it is highly recommended for solar imaging, but it is \u003cstrong\u003eNOT\u003c\/strong\u003e a standalone solar filter. You must use it in combination with a primary, professional-grade solar filter that covers the front of your telescope. The UV\/IR-Cut filter then serves as a secondary filter to further increase contrast by blocking excess IR that passes through the main filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this Player One filter necessary if I use a refractor telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. While apochromatic (APO) refractors are well-corrected for visible light, most are not designed to bring UV and IR light to the same focal plane. A UV\/IR-cut filter is therefore essential for any telescope type—refractor, reflector, or SCT—when imaging with a color camera that does not have a built-in IR-cut window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Player One UV\/IR-Cut filter work in a 1.25\" filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The \u003cstrong\u003ePlayer One UV\/IR-Cut S-Series filter\u003c\/strong\u003e is housed in a standard 1.25\" cell with male M28.5x0.6 threads, making it compatible with any standard 1.25\" filter wheel, filter drawer, or accessory that accepts threaded filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat's the difference between this Player One UV\/IR-Cut filter and a Luminance filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBoth filters block UV and IR light. However, a Luminance (L) filter is specifically designed for monochrome imaging, with a precise bandpass engineered to match the focal point of a set of RGB filters. A standard UV\/IR-Cut filter, like this one from Player One, is designed for broadband color correction with a one-shot-color (OSC) camera and may have a slightly wider transmission window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eUV\/IR-Cut (Luminance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eS-Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003ePlayer One UV\/IR-Cut S-Series Filter - 1.25\"\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eProtective Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/player-one-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003ePlayer One 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Player One","offers":[{"title":"Default Title","offer_id":51112144175389,"sku":"POA-UV-IR-CUT-125","price":31.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player-One-UV-IR-CUT-1_25inch-Filter.jpg?v=1775160317"},{"product_id":"player-one-uv-ir-cut-anti-halo-filter-2","title":"Player One UV\/IR-Cut Anti-Halo Filter - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eBlocks unwanted Ultraviolet (UV) and Infrared (IR) wavelengths\u003c\/li\u003e\n\u003cli\u003eFeatures advanced anti-halo coatings to minimize reflections\u003c\/li\u003e\n\u003cli\u003eStandard 2\" filter cell with M48x0.75 threads\u003c\/li\u003e\n\u003cli\u003eMaximizes contrast and sharpens stars in color and monochrome imaging\u003c\/li\u003e\n\u003cli\u003eEssential for refractive and catadioptric telescopes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003ePlayer One UV\/IR-Cut Anti-Halo Filter - 2\"\u003c\/h2\u003e\n\u003cp\u003eThe Player One UV\/IR-Cut Anti-Halo Filter provides critical ultraviolet and infrared blocking in a standard 2\" threaded cell, using advanced coatings to eliminate halos around bright stars for cleaner, higher-contrast astronomical images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA 2\" Filter for Sharper Stars and Higher Contrast\u003c\/h3\u003e\n\u003cp\u003eWhile your camera sensor is sensitive to a wide spectrum of light, most telescopes are only designed to bring visible light to a sharp focus. Out-of-focus UV and IR light creates a soft, low-contrast halo around stars, commonly known as \"star bloat,\" which degrades image sharpness. This 2\" filter blocks those unwanted wavelengths, ensuring only focused, visible light reaches the sensor.\u003c\/p\u003e\n\u003cp\u003eThe result is immediately apparent in your images: stars become tighter, finer details emerge in nebulae and galaxies, and the overall contrast of the image is significantly improved. It is an essential component for any imaging setup using a refractor, Schmidt-Cassegrain, or any other compound telescope design.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSuppressing Halos and Internal Reflections\u003c\/h3\u003e\n\u003cp\u003eBeyond simple UV\/IR blocking, the Player One filter incorporates multi-layer anti-reflection coatings specifically designed to combat halos. Halos are caused by bright starlight reflecting between the filter surface and the camera sensor cover glass. This filter's coatings disrupt these internal reflections, preventing distracting rings from forming around bright targets like Vega or Alnitak.\u003c\/p\u003e\n\u003cp\u003eThis anti-halo technology is particularly crucial for modern, highly-reflective CMOS sensors. By minimizing these artifacts at the source, you spend less time processing them out and achieve a cleaner final image straight from the camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePlayer One UV\/IR-Cut vs. Standard Luminance Filters\u003c\/h3\u003e\n\u003cp\u003eWhile both this filter and a standard Luminance (L) filter perform the same core function of blocking UV and IR light, the Player One Anti-Halo filter is engineered for a different challenge. Many basic L-filters can still produce noticeable halos and internal reflections when used with bright stars and sensitive modern sensors.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard L-Filter:\u003c\/strong\u003e Primarily focused on cutting UV\/IR wavelengths. It is effective for basic luminance data collection but may struggle with reflections on bright targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlayer One Anti-Halo Filter:\u003c\/strong\u003e Provides the same UV\/IR cut but adds advanced coatings optimized to suppress the internal reflections that cause halos. It is the superior choice for imagers who demand the cleanest possible raw data, especially when shooting targets in star-rich fields.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen do I need the Player One 2\" UV\/IR-Cut filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis filter is essential for nearly all astronomical imaging with a color or monochrome camera, especially when using a telescope that is not a pure reflector (like a Newtonian). \u003cstrong\u003eRefractors, SCTs, Maksutovs, and RCs\u003c\/strong\u003e all benefit significantly, as they do not focus UV and IR light at the same plane as visible light, which causes bloated stars. This filter corrects that by only allowing visible light to pass.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this Player One filter help reduce star bloat in my 80mm refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. An 80mm refractor, particularly an achromatic or doublet design, is a prime example of an optical system that needs strong UV\/IR filtering. Without it, unfocused infrared light will create soft, bloated halos around your stars. The Player One UV\/IR-Cut filter will produce noticeably tighter, sharper stars across the field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Player One UV\/IR-Cut filter necessary for imaging Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it is highly recommended for planetary imaging. Using this filter with a color camera when imaging Jupiter or Saturn ensures that only the focused visible light contributes to the final image. This increases sharpness and contrast, allowing you to resolve finer details in the cloud bands and the Great Red Spot.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between this Player One filter and a standard L-filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBoth filters block UV and IR light. However, the Player One UV\/IR-Cut Anti-Halo filter includes superior multi-layer coatings designed to eliminate internal reflections between the filter and the camera sensor. This specifically targets and reduces the \"halos\" that can appear around very bright stars, a common issue with standard L-filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Player One 2\" Anti-Halo filter for visual observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile it is designed for imaging, it can be used visually. Some observers with highly-corrected apochromatic refractors find it can slightly improve contrast at the eyepiece. However, its primary and most significant benefit is for photographic and digital imaging applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach this 2\" Player One filter to my camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Player One filter has standard \u003cstrong\u003eM48x0.75 female threads\u003c\/strong\u003e. It can be threaded directly into a 2\" filter wheel, a filter drawer, or the 2\" nosepiece of your camera or field flattener.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThreads\u003c\/td\u003e\n\u003ctd\u003eM48x0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/player-one-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003ePlayer One 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Player One","offers":[{"title":"Default Title","offer_id":51112145813789,"sku":"POA-AH-UV-IR-CUT-2","price":83.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player-One-UV-IR-CUT-2inch-Filter.png?v=1775160543"},{"product_id":"baader-planetarium-rgb-filter-set-cmos-optimized","title":"Baader Planetarium RGB Filter Set – CMOS-optimized","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSet of three Red, Green, and Blue (RGB) filters\u003c\/li\u003e\n\u003cli\u003eOptimized for modern CMOS sensors to eliminate reflections\u003c\/li\u003e\n\u003cli\u003eAvailable in 1.25\" \u0026amp; 2\" mounted, 31\/36\/50.4mm round unmounted and 50x50\/65x65mm square sizes\u003c\/li\u003e\n\u003cli\u003eEnables full-color imaging with monochrome astronomy cameras\u003c\/li\u003e\n\u003cli\u003eAnti-reflective coatings maximize light transmission\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003eRGB Filter Set – CMOS-optimized\u003c\/h2\u003e\n      \u003cp\u003eThis Baader Planetarium RGB Filter Set is engineered specifically for modern monochrome CMOS cameras, addressing the unique reflection challenges they present. By capturing separate images through the red, green, and blue filters, you can assemble a full-color astrophoto with deep, rich data. This set is the foundation for creating high-resolution color images of galaxies, nebulae, and star clusters, with optical coatings designed to prevent the halos and internal reflections that can compromise images from newer, highly-reflective sensors. It is offered as 1.25\" and 2\" mounted filters, as 31mm, 36mm and 50.4mm round unmounted filters, and as 50x50mm and 65x65mm square filters for large-format cameras.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe \"CMOS-Optimized\" Advantage for Modern Sensors\u003c\/h3\u003e\n      \u003cp\u003eModern CMOS sensors feature a multi-layer construction with microlenses and cover glass that is highly reflective to off-axis light. Standard filters can create strong internal reflections between the filter surface and the sensor, resulting in halos around bright stars. This CMOS-optimized RGB set uses advanced anti-reflection coatings and carefully designed passbands to eliminate these artifacts, ensuring clean, high-contrast images even with fast optical systems.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eHigh-Transmission RGB Channels for Accurate Color\u003c\/h3\u003e\n      \u003cp\u003eThe goal of LRGB imaging is to produce a final image with natural, vibrant color. These filters are designed to deliver high transmission within their respective red, green, and blue passbands while maintaining sharp cutoffs to minimize overlap between the channels. This results in distinct color channels that are easier to balance during processing, saving you time and producing a more scientifically accurate and aesthetically pleasing final image.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eCMOS-Optimized RGB vs. Traditional CCD Filters\u003c\/h3\u003e\n      \u003cp\u003eWhile older filters designed for CCD sensors produce excellent results with those cameras, they often struggle with newer CMOS technology. The primary difference lies in how they handle reflections.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eTraditional CCD Filters:\u003c\/strong\u003e Assumed a less reflective sensor surface. When paired with a CMOS sensor, they can produce noticeable halos and internal reflections, particularly in fast f-ratio telescopes.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eBaader CMOS-Optimized Filters:\u003c\/strong\u003e Incorporate coatings and design principles that actively suppress reflections between the filter and the sensor. This makes them essential for imagers using popular CMOS cameras to achieve the cleanest possible raw data, free from artifacts that are difficult to remove in post-processing.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat makes this Baader RGB Filter Set \"CMOS-optimized\"?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThese filters are designated \u003cstrong\u003e\"CMOS-optimized\"\u003c\/strong\u003e because their anti-reflection coatings are specifically designed to prevent halos and internal reflections caused by the highly reflective cover glass and microlens arrays on modern CMOS sensors. This results in cleaner images with higher contrast, especially around bright stars.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this RGB Filter Set with a color camera?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo, this filter set is designed for use with \u003cstrong\u003emonochrome (black and white) astronomy cameras\u003c\/strong\u003e. A color camera already has a red, green, and blue filter matrix (a Bayer or X-Trans array) built into the sensor itself. Using these external filters with a color camera would be redundant and severely impact color balance and efficiency.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow would I use this Baader RGB set to image the Andromeda Galaxy (M31) with a monochrome camera?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eTo image the Andromeda Galaxy (M31), you would mount the Baader RGB filters in a filter wheel or drawer that accepts the size you have chosen. You would then capture a series of individual exposures through each filter sequentially (e.g., 20 exposures with the Red, 20 with the Green, 20 with the Blue). In processing software, these three separate black-and-white image stacks are assigned to the R, G, and B channels to create a single full-color image.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eAre these filters suitable for fast telescopes, like an f\/4 Newtonian?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, in fact, fast optical systems are where CMOS-optimized filters show their greatest advantage. The steep light cone from a fast telescope (like an f\/4 Newtonian or f\/2 RASA) exacerbates reflection problems. The advanced coatings on this Baader RGB set are designed to maintain high performance and prevent halos even at these challenging focal ratios. With fast optics and larger sensors, also choose a large enough filter size: 36mm or 2\" filters help prevent vignetting on APS-C sensors, while the 50.4mm round and 50x50mm or 65x65mm square formats are intended for full-frame and larger sensors.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDo these Baader RGB filters block infrared (IR) and ultraviolet (UV) light?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. A crucial part of any quality RGB filter set is integrated UV\/IR blocking. This ensures that only the visible light spectrum is recorded, which is critical for sharp focus (as IR\/UV light focuses at a different point) and accurate color rendition, especially in refractive optics like refractors or Schmidt-Cassegrains.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs there a correct order to put the Baader RGB filters in a filter wheel?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThere is no single \"correct\" order; it's a matter of personal workflow. Many imagers place them in chromatic order (Red, Green, Blue) to make sequencing logical. If you are also using a Luminance filter, a common arrangement is L-R-G-B, allowing you to cycle through the color filters easily after capturing the primary luminance data.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Usage\u003c\/td\u003e\n\u003ctd\u003eCMOS, CCD, RGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Range\u003c\/td\u003e\n\u003ctd\u003eR (595 – 690 nm), G (490 – 580 nm), B (400 – 510 nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAR-Coating\u003c\/td\u003e\n\u003ctd\u003eReflex-Blocker™ hard coated, planeoptically polished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable for f\/ratio\u003c\/td\u003e\n\u003ctd\u003ef\/15 to f\/1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e1.25\" Round Mounted\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRGB (Red, Green, Blue) Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eThreaded Cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eAnti-Reflection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV\/IR Blocking\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd\u003eOptimized for Monochrome CMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e1.25 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle or Set?\u003c\/td\u003e\n\u003ctd\u003eFilter-Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eMounted (LPFC 6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e2\" Round Mounted\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRGB (Red, Green, Blue) Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e2-Inch, Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e2 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle or Set?\u003c\/td\u003e\n\u003ctd\u003eFilter-Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eMounted (LPFC 6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e31mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRGB (Red, Green, Blue) Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e31mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNIR Suppression\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd\u003eOptimized for Monochrome CMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (31mm, 36mm)\u003cbr\u003e0.04 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle or Set?\u003c\/td\u003e\n\u003ctd\u003eFilter-Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e36mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRGB (Red, Green, Blue) Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eCMOS-Optimized Anti-Reflection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd\u003eOptimized for Monochrome CMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (31mm, 36mm)\u003cbr\u003e0.04 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle or Set?\u003c\/td\u003e\n\u003ctd\u003eFilter-Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e50.4mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eLRGB Filter Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters Included\u003c\/td\u003e\n\u003ctd\u003eRed, Green, Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e50.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Optimization\u003c\/td\u003e\n\u003ctd\u003eCMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (31mm, 36mm)\u003cbr\u003e0.04 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e50x50mm Square Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRGB (Red, Green, Blue) Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e50x50mm Square, Unmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd\u003eOptimized for Monochrome CMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle or Set?\u003c\/td\u003e\n\u003ctd\u003eFilter-Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e65x65mm Square Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRGB (Red, Green, Blue) Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e65x65mm Square, Unmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eAnti-Reflection on Both Surfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd\u003eOptimized for Monochrome CMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e65 x 65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003esquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle or Set?\u003c\/td\u003e\n\u003ctd\u003eFilter-Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ch3\u003e50.4mm Round Unmounted Filter\u003c\/h3\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e50.4mm Red Filter (Unmounted)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e50.4mm Green Filter (Unmounted)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e50.4mm Blue Filter (Unmounted)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFilter Storage Cases\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 3\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Filter_Problems_FAQ_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium Filter Problems FAQ Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/baader-planetarium-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eBaader Planetarium Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"1.25\" Round Mounted","offer_id":52913202495773,"sku":"BAA-2961600","price":370.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Round Mounted","offer_id":52913202528541,"sku":"BAA-2961603","price":565.0,"currency_code":"CAD","in_stock":true},{"title":"31mm Round Unmounted Filter","offer_id":52913202561309,"sku":"BAA-2961601","price":414.0,"currency_code":"CAD","in_stock":true},{"title":"36mm Round Unmounted Filter","offer_id":52913202594077,"sku":"BAA-2961602","price":449.0,"currency_code":"CAD","in_stock":true},{"title":"50.4mm Round Unmounted Filter","offer_id":52913202626845,"sku":"BAA-2961604","price":685.0,"currency_code":"CAD","in_stock":true},{"title":"50x50mm Square Filter","offer_id":52913202659613,"sku":"BAA-2961605","price":721.0,"currency_code":"CAD","in_stock":true},{"title":"65x65mm Square Filter","offer_id":52913202692381,"sku":"BAA-2961606","price":1041.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-RGB-Filter-Set-1-CMOS-optimized-1_8e6ee76d-b912-4a4f-92ff-9d8d7d803de2.jpg?v=1789088028"},{"product_id":"baader-planetarium-rgb-b-filter-cmos-optimized","title":"Baader Planetarium RGB B-Filter – CMOS-optimized","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAvailable in 1.25\" \u0026amp; 2\" Mounted, Round Unmounted and Square Sizes\u003c\/li\u003e\n\u003cli\u003eBlue (B) Channel for LRGB Imaging\u003c\/li\u003e\n\u003cli\u003eOptimized for Modern CMOS Sensors\u003c\/li\u003e\n\u003cli\u003eDesigned for 1:1:1 Color Balance\u003c\/li\u003e\n\u003cli\u003eHigh-Transmission, Anti-Reflection Coatings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eRGB B-Filter – CMOS-optimized\u003c\/h2\u003e\n\u003cp\u003eThis RGB B-Filter is engineered specifically for modern monochrome CMOS sensors and is available in mounted 1.25\" and 2\" cells, as 31mm, 36mm and 50.4mm unmounted round filters, as a 47.4mm unmounted filter for the Baader FCCT system, and as 50x50mm and 65x65mm squares. As a critical component of any LRGB imaging set, this Blue filter is designed to deliver clean, halo-free data and contribute to a simplified 1:1:1 color balance, addressing the unique challenges presented by today's high-sensitivity cameras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe Purpose of CMOS-Optimized Filter Design\u003c\/h3\u003e\n\u003cp\u003eModern CMOS sensors are significantly more sensitive and prone to reflections between the sensor and filter than their CCD predecessors. This CMOS-optimized filter addresses this directly with advanced anti-reflection coatings that effectively suppress halos around bright stars, resulting in cleaner raw data with higher contrast and darker backgrounds.\u003c\/p\u003e\n\u003cp\u003eThe filter also features steep bandpass slopes. This design choice sharply rejects unwanted wavelengths from light pollution and atmospheric glow, ensuring that only the desired blue portion of the spectrum reaches the sensor for purer color data.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAchieving 1:1:1 Color Balance with the RGB B-Filter\u003c\/h3\u003e\n\u003cp\u003eA key goal of this CMOS-optimized filter set is to simplify color data acquisition. The transmission properties of this Blue filter are carefully balanced with its Red and Green counterparts to match the typical quantum efficiency curve of popular monochrome CMOS sensors. This allows you to achieve a natural color result with roughly equal exposure times (1:1:1) for each channel, saving valuable imaging time and streamlining your post-processing workflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eCMOS-Optimized Filters vs. Legacy CCD Designs\u003c\/h3\u003e\n\u003cp\u003eWhile older filters designed for CCD cameras can still be used, they present specific problems for modern imagers. This CMOS-optimized B-Filter provides a direct solution to those legacy limitations.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReflection Control:\u003c\/strong\u003e Legacy filters often lack the sophisticated anti-reflection coatings needed to prevent halos when paired with the reflective cover glass on many CMOS sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIR Blocking:\u003c\/strong\u003e Many older RGB filters have weaker infrared (IR) blocking, which can lead to bloated, soft stars on highly IR-sensitive CMOS chips. This filter incorporates strong blocking outside the visual spectrum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor Balance:\u003c\/strong\u003e Filter sets designed for the spectral response of CCDs will often require significant exposure adjustments for CMOS sensors to achieve a proper color balance, complicating acquisition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy do I need a CMOS-optimized Blue filter like this RGB B-Filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eModern \u003cstrong\u003emonochrome CMOS sensors\u003c\/strong\u003e are highly sensitive and have reflective surfaces that can cause halos around bright stars with older filters. A CMOS-optimized filter uses advanced anti-reflection coatings to eliminate these artifacts and has a bandpass designed to match the sensor's spectral response for better color balance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this RGB B-Filter help reduce halos around bright stars like Vega?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Halos around bright stars like Vega (Alpha Lyrae) are a common problem caused by reflections between the filter and the sensor. The \u003cstrong\u003eanti-reflection coatings\u003c\/strong\u003e on this CMOS-optimized filter are specifically designed to suppress these internal reflections, leading to much cleaner data on high-contrast targets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does this Blue filter help achieve a 1:1:1 color balance for LRGB imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe transmission curve of this filter is precisely matched with its corresponding Red and Green filters to complement the quantum efficiency of modern CMOS sensors. This ensures that the sensor receives a similar amount of signal through each filter over the same time period, allowing you to use \u003cstrong\u003eequal exposure times\u003c\/strong\u003e (e.g., 180s for R, G, and B) for a natural color composite.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this RGB B-Filter for visual observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis is an imaging filter designed for astrophotography with a monochrome camera. Because it passes only the blue portion of the spectrum, the view through an eyepiece is dim and strongly colored, and its key benefits – halo suppression and a balanced 1:1:1 exposure ratio – only come into play when imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm imaging the Andromeda Galaxy (M31) from a light-polluted area. How does the CMOS-optimized design of this B-Filter help?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter features \u003cstrong\u003esteep cutoff slopes\u003c\/strong\u003e in its bandpass. This means it sharply blocks common sources of light pollution, like the orange glow from sodium vapor lights, which fall outside the blue spectrum. This increases the contrast between the faint blue star-forming regions in M31 and the sky background, even from suburban locations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich size of the RGB B-Filter fits my filter wheel or drawer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e1.25\" (M28.5x0.6)\u003c\/strong\u003e and \u003cstrong\u003e2\" (M48x0.75)\u003c\/strong\u003e versions are mounted in threaded cells and fit standard filter wheels, filter drawers and accessories that accept threaded filters of that size. The \u003cstrong\u003e31mm, 36mm and 50.4mm\u003c\/strong\u003e round and \u003cstrong\u003e50x50mm and 65x65mm\u003c\/strong\u003e square versions are unmounted and require a filter wheel or drawer made for that exact size. The unmounted \u003cstrong\u003e47.4mm\u003c\/strong\u003e version is intended for the Baader FCCT (or compatible holders) and will not thread into standard 2\" filter holders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle or Set?\u003c\/td\u003e\n\u003ctd\u003eSingle Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Usage\u003c\/td\u003e\n\u003ctd\u003eCMOS, CCD, RGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Range\u003c\/td\u003e\n\u003ctd\u003e400 – 510 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAR-Coating\u003c\/td\u003e\n\u003ctd\u003eReflex-Blocker™ hard coated, planeoptically polished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable for f\/ratio\u003c\/td\u003e\n\u003ctd\u003ef\/15 to f\/1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e1.25\" Round Mounted\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eBlue (B) for LRGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e1.25\" (Mounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThreads\u003c\/td\u003e\n\u003ctd\u003eM28.5 x 0.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e1.25 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eMounted (LPFC 6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e2\" Round Mounted\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eBlue (B) for LRGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e2\" (Mounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThreads\u003c\/td\u003e\n\u003ctd\u003eM48 x 0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e2 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eMounted (LPFC 6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e2\" Round Unmounted Filter (Ø 47.4mm, FCCT)\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eBlue (B) for LRGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e2\" (Unmounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e47.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eBaader Planetarium FCCT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e47.4 mm (2\" w\/o cell)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e31mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eBlue (B) for LRGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e31 mm (Unmounted, Round)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e36mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eBlue (B) for LRGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e36 mm (Unmounted, Round)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eFilter wheels accepting 36 mm unmounted filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e50.4mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eBlue (B) for LRGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e50.4 mm (Unmounted, Round)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eLarge-format filter wheels for unmounted filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e50x50mm Square Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eBlue (B) for LRGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e50 x 50 mm (Unmounted, Square)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Coverage\u003c\/td\u003e\n\u003ctd\u003eFull-frame (36x24mm) or larger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e50 x 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003esquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e65x65mm Square Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eBlue (B) for LRGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e65 x 65 mm (Unmounted, Square)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Coverage\u003c\/td\u003e\n\u003ctd\u003eFull-frame and medium-format sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e65 x 65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003esquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRGB B-Filter – CMOS-optimized (selected size)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFilter Case or Protective Packaging (varies by size)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Cleaning_and_Maintenance_of_Optics_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium Cleaning and Maintenance of Optics Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Filter_Problems_FAQ_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium Filter Problems FAQ Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_FCCT_Filter_Changer_Camera_Tilter_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium FCCT Filter Changer Camera Tilter Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/baader-planetarium-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eBaader Planetarium Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"1.25\" Round Mounted","offer_id":52913203740957,"sku":"BAA-2961600B","price":136.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Round Mounted","offer_id":52913203773725,"sku":"BAA-2961603B","price":226.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Round Unmounted Filter (Ø 47.4mm, FCCT)","offer_id":52913203806493,"sku":"BAA-2961603BU","price":204.0,"currency_code":"CAD","in_stock":true},{"title":"31mm Round Unmounted Filter","offer_id":52913203839261,"sku":"BAA-2961601B","price":150.0,"currency_code":"CAD","in_stock":true},{"title":"36mm Round Unmounted Filter","offer_id":52913203872029,"sku":"BAA-2961602B","price":165.0,"currency_code":"CAD","in_stock":true},{"title":"50.4mm Round Unmounted Filter","offer_id":52913203904797,"sku":"BAA-2961604B","price":252.0,"currency_code":"CAD","in_stock":true},{"title":"50x50mm Square Filter","offer_id":52913203937565,"sku":"BAA-2961605B","price":264.0,"currency_code":"CAD","in_stock":true},{"title":"65x65mm Square Filter","offer_id":52913203970333,"sku":"BAA-2961606B","price":398.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-RGB-B-Filter-1-CMOS-optimized-1_5d296022-0c2f-4e41-bdf9-f54a92ed4a13.jpg?v=1789088055"},{"product_id":"baader-planetarium-rgb-g-filter-cmos-optimized","title":"Baader Planetarium RGB G-Filter – CMOS-optimized","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eGreen (G) Component for LRGB Color Imaging\u003c\/li\u003e\n\u003cli\u003eAvailable in 1.25\" \u0026amp; 2\" Mounted, Round Unmounted and Square Sizes\u003c\/li\u003e\n\u003cli\u003eOptimized for Modern CMOS Sensors\u003c\/li\u003e\n\u003cli\u003eSuppresses Halos and Internal Reflections\u003c\/li\u003e\n\u003cli\u003eHigh-Transmission Passband for Green Wavelengths\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eRGB G-Filter – CMOS-optimized\u003c\/h2\u003e\n\u003cp\u003eEngineered for modern sensors, the Baader RGB G-Filter is the green component of a CMOS-optimized LRGB filter set, designed to capture the peak visual-wavelength data essential for a balanced color image. Available in mounted, round unmounted and square formats, this filter isolates a specific band of green light, forming the luminance backbone of a true-color astrophoto when combined with its red and blue counterparts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe Green Channel: Capturing Peak Visual Luminance\u003c\/h3\u003e\n\u003cp\u003eIn LRGB astrophotography, the green channel is fundamentally important because it aligns with the peak sensitivity of the human eye. Capturing strong, clean data with the G-filter is the key to producing images that appear visually natural and well-balanced. This filter ensures that the most visually significant part of the spectrum is recorded with high fidelity.\u003c\/p\u003e\n\u003cp\u003eA choice of sizes lets you match the filter to your camera and filter wheel: threaded 1.25\" and 2\" cells for standard filter wheels and drawers, 31mm and 36mm unmounted round filters for wheels built for those sizes, a 47.4mm unmounted filter for the Baader FCCT system, and 50.4mm round or 50x50mm and 65x65mm square filters whose large clear aperture prevents vignetting on full-frame and larger sensors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eCMOS-Optimized Design for High-Reflectivity Sensors\u003c\/h3\u003e\n\u003cp\u003eModern CMOS sensors are notoriously reflective compared to older CCDs, which can cause halos and other internal reflections around bright stars. Baader's CMOS-optimized filters are specifically designed to combat this issue with advanced anti-reflection coatings and careful substrate selection.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReflection Suppression:\u003c\/strong\u003e The coatings are engineered to minimize reflections between the filter and the sensor cover glass, resulting in cleaner star profiles and higher-contrast images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBandpass Precision:\u003c\/strong\u003e The filter's transmission curve is carefully shaped to provide excellent color separation from the red and blue channels while rejecting unwanted out-of-band wavelengths, ensuring pure color data for processing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy do I need a separate Baader RGB G-Filter for my monochrome camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA monochrome camera captures only brightness, not color. To create a full-color image, you must shoot separate exposures through Red, Green, and Blue filters (like this Baader G-Filter) and then combine them during processing. The G-Filter is responsible for capturing all the green light from your target.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"CMOS-optimized\" mean for the Baader G-Filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eCMOS-optimized\u003c\/strong\u003e means the filter is designed with advanced anti-reflection coatings to prevent halos and internal reflections that are common with highly reflective CMOS sensor surfaces. It ensures clean, high-contrast data, especially around bright stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Baader G-Filter help when imaging the dust lanes in the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe green channel provides much of the luminance detail in broadband targets like galaxies. When imaging M31, the Baader G-Filter will capture high-contrast data in the galaxy's core and dust lanes, which can be used to sharpen the final color composite and reveal fine structural details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich size of the Baader G-Filter do I need for my camera and filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eChoose the size your filter holder accepts and that is large enough for your sensor. The \u003cstrong\u003e1.25\" and 2\" mounted\u003c\/strong\u003e filters thread into standard filter wheels and drawers. The \u003cstrong\u003e31mm and 36mm unmounted\u003c\/strong\u003e filters fit wheels made specifically for those diameters, and the \u003cstrong\u003e47.4mm unmounted\u003c\/strong\u003e filter is made for the Baader FCCT, not for standard 2\" threaded wheels. For \u003cstrong\u003efull-frame or larger sensors\u003c\/strong\u003e, especially with fast telescopes, the 50.4mm round or 50x50mm and 65x65mm square formats avoid vignetting (darkening of the corners).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this Baader G-Filter with RGB filters from another brand?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile you can, it's not recommended for optimal results. High-quality filter sets are designed to be \"parfocal\" (maintain focus when switched) and have carefully balanced transmission bands to ensure correct color balance with 1:1:1 exposure times. Mixing brands can lead to focus shift and difficulty in color balancing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the primary role of the green channel captured by the Baader G-Filter in a final LRGB image?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe green channel's primary role is to define the image's luminance and detail, as it corresponds to the peak sensitivity of human vision. In processing, the G channel data is often weighted heavily or blended with the Luminance channel to enhance contrast and perceived sharpness in the final color image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle or Set?\u003c\/td\u003e\n\u003ctd\u003eSingle Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Usage\u003c\/td\u003e\n\u003ctd\u003eCMOS, CCD, RGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Range\u003c\/td\u003e\n\u003ctd\u003e490 – 580 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAR-Coating\u003c\/td\u003e\n\u003ctd\u003eReflex-Blocker™ hard coated, planeoptically polished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable for f\/ratio\u003c\/td\u003e\n\u003ctd\u003ef\/15 to f\/1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e1.25\" Round Mounted\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eGreen (G) Channel for RGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd\u003eOptimized for CMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eMounted (LPFC 6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e2\" Round Mounted\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eGreen (G) Channel for RGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eMounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd\u003eOptimized for CMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e2 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eMounted (LPFC 6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e2\" Round Unmounted Filter (Ø 47.4mm, FCCT)\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eFCCT Filter – RGB G-Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e2\" Class (Unmounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e47.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpectral Band\u003c\/td\u003e\n\u003ctd\u003eGreen (G)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eBaader Planetarium FCCT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Optimization\u003c\/td\u003e\n\u003ctd\u003eCMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e31mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eGreen (G) Channel for RGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e31 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted, Round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eFilter wheels accepting 31 mm unmounted filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd\u003eOptimized for CMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e36mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eGreen (G) Channel for RGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted, Round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eFilter wheels accepting 36 mm unmounted filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd\u003eOptimized for CMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e50.4mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eBroadband Color (Green)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e50.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptimized For\u003c\/td\u003e\n\u003ctd\u003eCMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e50x50mm Square Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eGreen (G) Channel for RGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e50 x 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted, Square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eLarge-format filter wheels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd\u003eOptimized for CMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e50 x 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003esquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e65x65mm Square Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eGreen (G) Channel for RGB Imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e65 x 65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted, Square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eLarge filter wheels for 65 mm square filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd\u003eOptimized for CMOS Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e65 x 65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003esquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e1.25\" Round Mounted\u003c\/h3\u003e\n\u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eRGB G-Filter 1.25\" – CMOS-optimized\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003ch3\u003e2\" Round Unmounted Filter (Ø 47.4mm, FCCT)\u003c\/h3\u003e\n\u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eFCCT G-Filter (47.4 mm, Unmounted)\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003ch3\u003e50.4mm Round Unmounted Filter\u003c\/h3\u003e\n\u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eRGB G-Filter 50.4mm – CMOS-optimized\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Filter_Problems_FAQ_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium Filter Problems FAQ Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Cleaning_and_Maintenance_of_Optics_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium Cleaning and Maintenance of Optics Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_FCCT_Filter_Changer_Camera_Tilter_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium FCCT Filter Changer Camera Tilter Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/baader-planetarium-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eBaader Planetarium Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"1.25\" Round Mounted","offer_id":52913205248285,"sku":"BAA-2961600G","price":139.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Round Mounted","offer_id":52913205281053,"sku":"BAA-2961603G","price":229.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Round Unmounted Filter (Ø 47.4mm, FCCT)","offer_id":52913205313821,"sku":"BAA-2961603GU","price":207.0,"currency_code":"CAD","in_stock":true},{"title":"31mm Round Unmounted Filter","offer_id":52913205346589,"sku":"BAA-2961601G","price":155.0,"currency_code":"CAD","in_stock":true},{"title":"36mm Round Unmounted Filter","offer_id":52913205379357,"sku":"BAA-2961602G","price":169.0,"currency_code":"CAD","in_stock":true},{"title":"50.4mm Round Unmounted Filter","offer_id":52913205412125,"sku":"BAA-2961604G","price":255.0,"currency_code":"CAD","in_stock":true},{"title":"50x50mm Square Filter","offer_id":52913205444893,"sku":"BAA-2961605G","price":267.0,"currency_code":"CAD","in_stock":true},{"title":"65x65mm Square Filter","offer_id":52913205477661,"sku":"BAA-2961606G","price":401.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-RGB-G-Filter-1-CMOS-optimized-1_fdfd1219-babf-478f-93a7-9561ed03b2cb.jpg?v=1789088083"},{"product_id":"baader-planetarium-rgb-r-filter-cmos-optimized","title":"Baader Planetarium RGB R-Filter – CMOS-optimized","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eRed (R) filter for LRGB astrophotography\u003c\/li\u003e\n\u003cli\u003eAvailable in 1.25\" \u0026amp; 2\" mounted, round unmounted and square sizes\u003c\/li\u003e\n\u003cli\u003eOptimized for modern CMOS sensors\u003c\/li\u003e\n\u003cli\u003eHigh-transmission coatings\u003c\/li\u003e\n\u003cli\u003eSuppresses reflections and halos\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003eRGB R-Filter – CMOS-optimized\u003c\/h2\u003e\n      \u003cp\u003eThe RGB R-Filter is a foundational component for LRGB color astrophotography, engineered specifically to meet the demands of modern, high-sensitivity CMOS sensors. Offered in mounted 1.25\" and 2\" cells as well as unmounted round and square formats, this filter isolates the red portion of the visible spectrum, providing the high-contrast data needed to reveal surface detail on planets and capture emission nebulae structure.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eCMOS-Optimized Coatings for Halo-Free Imaging\u003c\/h3\u003e\n      \u003cp\u003eModern CMOS sensors are highly reflective, a trait that can cause halos and internal reflections around bright stars when using older filter designs. This CMOS-optimized R-Filter features advanced anti-reflection coatings on both surfaces, ensuring that light passes through to the sensor only once, preserving stellar integrity and maintaining a dark background.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe Red Channel: A Critical Component for LRGB Astrophotography\u003c\/h3\u003e\n      \u003cp\u003eIn LRGB imaging, the R-Filter captures the red data that, when combined with Green and Blue channels, forms a full-color chrominance layer. The red channel is particularly vital for accurately rendering the color of Mars, the Great Red Spot on Jupiter, and the deep reds of H-II regions in emission nebulae like the Orion Nebula (M42).\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eMounted, Round and Square Formats: For Every Filter Wheel\u003c\/h3\u003e\n      \u003cp\u003eThe mounted 1.25\" and 2\" versions fit standard threaded filter wheels and drawers, while the unmounted 31mm, 36mm and 50.4mm round filters drop into filter carousels and wheels designed for those sizes. The 47.4mm unmounted version is made for the FCCT and compatible holders, and the 50x50mm and 65x65mm squares serve cameras with full-frame and larger sensors. Choosing a size whose clear aperture fully illuminates your sensor avoids vignetting, even with fast optical systems, ensuring your flat frames are even and your stars are round to the corners.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the CMOS-optimized R-Filter used for?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThis filter is used with a monochrome astronomy camera to capture the red (R) channel of an LRGB (Luminance, Red, Green, Blue) image. It isolates red light, which is essential for creating full-color astrophotos of planets, galaxies, and nebulae.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does this R-Filter need to be \"CMOS-optimized\"?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eModern \u003cstrong\u003eCMOS sensors\u003c\/strong\u003e are more reflective than older CCD sensors. CMOS-optimized filters have advanced anti-reflection coatings that prevent halos and other artifacts from appearing around bright stars, resulting in cleaner images.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I create a color image using only this R-Filter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo. The R-Filter is one part of a set. To create a full-color LRGB image, you will also need matching Green (G), Blue (B), and typically a Luminance (L) filter, and capture data through each one separately before combining them in software.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat equipment do I need for the mounted and unmounted sizes?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe \u003cstrong\u003e1.25\" and 2\" mounted filters\u003c\/strong\u003e thread into standard filter wheels and filter drawers. The \u003cstrong\u003eunmounted round and square filters\u003c\/strong\u003e require an electronic or manual filter wheel or drawer designed for that exact size (31mm, 36mm, 50.4mm, 50x50mm or 65x65mm), and the 47.4mm version needs the FCCT or a compatible holder – none of the unmounted sizes fit standard threaded 2\" cells. The wheel sits between your telescope and monochrome camera.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow would this R-Filter improve my images of Mars with a monochrome camera?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eMars is a predominantly red object. Using a high-quality R-filter allows you to capture maximum contrast and detail in its surface features, such as the polar ice caps and dark albedo regions like Syrtis Major Planum. It is the most important color filter for planetary imaging of the Red Planet.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the R-Filter useful for imaging emission nebulae like the Heart Nebula (IC 1805)?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. Many emission nebulae glow strongly in red light from Hydrogen-alpha emissions. The R-Filter captures this signal effectively, providing strong structural detail for the red channel of your LRGB image. It can also be used to complement dedicated narrowband H-alpha data.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle or Set?\u003c\/td\u003e\n\u003ctd\u003eSingle Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Usage\u003c\/td\u003e\n\u003ctd\u003eCMOS, CCD, RGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Range\u003c\/td\u003e\n\u003ctd\u003e595 – 690 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAR-Coating\u003c\/td\u003e\n\u003ctd\u003eReflex-Blocker™ hard coated, planeoptically polished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable for f\/ratio\u003c\/td\u003e\n\u003ctd\u003ef\/15 to f\/1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e1.25\" Round Mounted\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRed (R) Channel - LRGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eMounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMOS Optimized\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e1.25 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eMounted (LPFC 6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e2\" Round Mounted\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRed (R) Channel - LRGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eMounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMOS Optimized\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e2 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eMounted (LPFC 6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e2\" Round Unmounted Filter (Ø 47.4mm, FCCT)\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRGB Red (R-Filter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize Standard\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e47.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended System\u003c\/td\u003e\n\u003ctd\u003eFCCT and compatible holders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e31mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRed (R) Channel - LRGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e31 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted, Round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMOS Optimized\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e36mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRed (R) Channel - LRGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMOS Optimized\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e50.4mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRed (R) Bandpass Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e50.4mm Round, Unmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eRGB CMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e50x50mm Square Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRed (R) Channel - LRGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e50 x 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted, Square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Coverage\u003c\/td\u003e\n\u003ctd\u003eFull-frame (36x24mm) and larger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMOS Optimized\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e50 x 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003esquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e65x65mm Square Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eRed (R) Channel - LRGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e65 x 65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted, Square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Coverage\u003c\/td\u003e\n\u003ctd\u003eFull-frame (36x24mm) or larger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMOS Optimized\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e65 x 65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003esquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eRGB-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eRGB R-Filter (selected size)\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Cleaning_and_Maintenance_of_Optics_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium Cleaning and Maintenance of Optics Manual\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003eCleaning \u0026amp; Maintenance Guide\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Filter_Problems_FAQ_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium Filter Problems FAQ Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_FCCT_Filter_Changer_Camera_Tilter_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium FCCT Filter Changer Camera Tilter Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/baader-planetarium-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eBaader Planetarium Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"1.25\" Round Mounted","offer_id":52913206198557,"sku":"BAA-2961600R","price":137.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Round Mounted","offer_id":52913206231325,"sku":"BAA-2961603R","price":228.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Round Unmounted Filter (Ø 47.4mm, FCCT)","offer_id":52913206264093,"sku":"BAA-2961603RU","price":206.0,"currency_code":"CAD","in_stock":true},{"title":"31mm Round Unmounted Filter","offer_id":52913206296861,"sku":"BAA-2961601R","price":153.0,"currency_code":"CAD","in_stock":true},{"title":"36mm Round Unmounted Filter","offer_id":52913206329629,"sku":"BAA-2961602R","price":166.0,"currency_code":"CAD","in_stock":true},{"title":"50.4mm Round Unmounted Filter","offer_id":52913206362397,"sku":"BAA-2961604R","price":254.0,"currency_code":"CAD","in_stock":true},{"title":"50x50mm Square Filter","offer_id":52913206395165,"sku":"BAA-2961605R","price":265.0,"currency_code":"CAD","in_stock":true},{"title":"65x65mm Square Filter","offer_id":52913206427933,"sku":"BAA-2961606R","price":399.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-RGB-R-Filter-1-CMOS-optimized-1_67243948-dbfb-48c9-9377-ce6bc29b6a51.jpg?v=1789088110"},{"product_id":"baader-planetarium-uv-ir-cut-l-filter-cmos-optimized","title":"Baader Planetarium UV\/IR-Cut \/ L-Filter – CMOS-optimized","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eServes as a high-transmission Luminance (L) filter\u003c\/li\u003e\n\u003cli\u003eProvides complete Ultraviolet (UV) and Infrared (IR) blocking\u003c\/li\u003e\n\u003cli\u003eEngineered with CMOS-optimized anti-reflection coatings\u003c\/li\u003e\n\u003cli\u003eAvailable as 31, 36, 47.4 \u0026amp; 50.4 mm round or 50x50 \u0026amp; 65x65 mm square unmounted filters\u003c\/li\u003e\n\u003cli\u003eFor compatible filter wheels and drawers, and the Baader FCCT (Filter Changer \u0026amp; Camera Tilter)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eUV\/IR-Cut \/ L-Filter – CMOS-optimized\u003c\/h2\u003e\n\u003cp\u003eThe Baader UV\/IR-Cut \/ L-Filter is a specialized unmounted filter designed to serve as the primary luminance channel for modern CMOS cameras. Available in round (31 mm, 36 mm, 50.4 mm, and 47.4 mm for the Baader FCCT system) and square (50x50 mm and 65x65 mm) formats, this filter provides a clean, high-transmission visible spectrum signal by strictly blocking unwanted ultraviolet and infrared wavelengths that cause bloated stars and soft focus in sensitive imaging systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA True Luminance Filter: Blocking UV\/IR for CMOS Sensors\u003c\/h3\u003e\n\u003cp\u003eModern CMOS sensors are highly sensitive to light outside the visible spectrum, particularly in the near-infrared. Without a proper cut-off filter, this IR sensitivity leads to bloated, unfocused stars and a significant loss of resolution. This filter acts as a true luminance filter, transmitting the desired visible light while completely blocking UV and IR, ensuring your refractor's color correction is maintained and stars remain sharp.\u003c\/p\u003e\n\u003cp\u003eThe \"CMOS-optimized\" designation refers to its advanced anti-reflection coatings. These are engineered to eliminate the halos and internal reflections that can occur between the flat, reflective surface of a CMOS sensor and the filter glass, keeping bright stars like Vega or Sirius artifact-free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUnmounted Round and Square Formats, Including Baader's FCCT System\u003c\/h3\u003e\n\u003cp\u003eEvery size is supplied unmounted: 31 mm and 36 mm round filters for filter wheels made for those sizes, 50.4 mm round and 50x50 mm or 65x65 mm square filters for large filter wheels and drawers serving full-frame or larger sensors, and a precise 47.4 mm diameter for direct and secure installation into the Baader FCCT (Filter Changer \u0026amp; Camera Tilter). This unmounted design is critical for minimizing the optical path length, a key factor in achieving focus with complex imaging trains that include correctors or reducers.\u003c\/p\u003e\n\u003cp\u003eIntegrated directly into the FCCT, the 47.4 mm filter becomes a core part of a rigid, tilt-corrected imaging system, while the large round and square sizes keep the light path unobstructed for big sensors. Both avoid the potential for flexure, vignetting, or clearance issues that can arise from stacking traditional threaded filter cells, ensuring a stable and optimized light path from the telescope to your camera sensor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUnmounted Filters vs. Standard 2\" Mounted Filters: A System Approach\u003c\/h3\u003e\n\u003cp\u003eWhile a standard 2\" mounted filter offers broad compatibility, an unmounted filter provides superior integration in filter wheels, drawers and systems built for its exact size. The primary trade-off is versatility for optimization.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 2\" Mounted Filter:\u003c\/strong\u003e Housed in a threaded cell (M48x0.75), it can be used in any standard 2\" filter wheel or drawer. However, this cell adds several millimeters to the back focus consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaader Unmounted UV\/IR-Cut \/ L-Filter:\u003c\/strong\u003e By removing the housing, it consumes the minimum possible back focus. Each size needs a holder made for it – the 47.4 mm version is designed exclusively for the Baader FCCT, ensuring perfect fit, centering, and parfocality within that system – and no version can be used in standard threaded 2\" filter holders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the Baader UV\/IR-Cut \/ L-Filter supplied unmounted?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter is unmounted to integrate directly into filter wheels, drawers and carriers made for its size – including the Baader FCCT (Filter Changer \u0026amp; Camera Tilter) for the 47.4 mm version. This design minimizes the consumption of precious back focus, reduces potential vignetting, and ensures a rigid, stable optical path without the added length and mechanical complexity of a standard threaded filter cell.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"CMOS-optimized\" mean for this UV\/IR-Cut filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eCMOS-optimized\u003c\/strong\u003e means the filter features advanced anti-reflection coatings designed to prevent halos and other artifacts caused by reflections between the filter and the highly reflective surface of a CMOS sensor. This is especially important for maintaining clean, high-contrast images of fields containing bright stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich size do I need, and will it fit a standard 2\" filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAll versions are unmounted, so none will fit a standard filter wheel drawer or carousel designed for threaded M48 (2\") mounted filters. Choose the size your holder accepts: \u003cstrong\u003e31 mm or 36 mm\u003c\/strong\u003e round for wheels made for those diameters, \u003cstrong\u003e50.4 mm\u003c\/strong\u003e round or \u003cstrong\u003e50x50 mm \/ 65x65 mm\u003c\/strong\u003e square for large filter wheels and drawers used with full-frame or larger sensors, and \u003cstrong\u003e47.4 mm\u003c\/strong\u003e exclusively for the Baader FCCT system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I'm imaging the Pleiades (M45) with a refractor, how does this L-filter help?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhen imaging a reflection nebula like the Pleiades (M45), the bright blue stars are strong sources of UV and IR light. This filter blocks that out-of-band light, which refractors cannot bring to the same focal point as visible light. The result is significantly tighter stars, sharper detail in the faint nebulosity, and the prevention of \"blue bloat\" that can overwhelm the image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does this filter benefit imaging the Andromeda Galaxy (M31) with an SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor a broadband target like the Andromeda Galaxy (M31), this filter serves as your high-transmission luminance channel. Its strict UV\/IR blocking is critical for SCTs, which often use corrector plates that are not optimized for these wavelengths. By isolating the visible spectrum, you achieve a much sharper luminance frame with better contrast between the galaxy's core, dust lanes, and faint outer arms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this filter only for monochrome cameras?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt is designed primarily as a luminance (L) filter for monochrome LRGB imaging. It can also help a color CMOS camera that lacks a sufficient built-in IR-cut filter, where the missing IR blocking leads to a reddish cast and bloated stars. If your color camera already has a UV\/IR-cut window in front of the sensor, adding this filter usually brings little additional benefit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle or Set?\u003c\/td\u003e\n\u003ctd\u003eSingle Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Usage\u003c\/td\u003e\n\u003ctd\u003eCMOS, CCD, IR-Cut, Luminance, UV-Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Range\u003c\/td\u003e\n\u003ctd\u003e420 – 685 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAR-Coating\u003c\/td\u003e\n\u003ctd\u003eReflex-Blocker™ hard coated, planeoptically polished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable for f\/ratio\u003c\/td\u003e\n\u003ctd\u003ef\/15 to f\/1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e2\" Round Unmounted Filter (Ø 47.4mm, FCCT)\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eUV\/IR Cut \/ Luminance (L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e2\" (Ø 47.4 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted Round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eBaader FCCT (Filter Changer \u0026amp; Camera Tilter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eAnti-Reflection, CMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e47.4 mm (2\" w\/o cell)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eUV\/IR-Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e31mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eUV\/IR Cut \/ Luminance (L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e31 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted Round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eAnti-Reflection, CMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Use\u003c\/td\u003e\n\u003ctd\u003eLRGB Astrophotography\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eUV\/IR-Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e36mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eUV\/IR Cut \/ Luminance (L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted Round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eAnti-Reflection, CMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Use\u003c\/td\u003e\n\u003ctd\u003eLRGB Astrophotography\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter shape\u003c\/td\u003e\n\u003ctd\u003eround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Filter\u003c\/td\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCWL (Central Wavelength)\u003c\/td\u003e\n\u003ctd\u003eUV\/IR-Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e50.4mm Round Unmounted Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eUV\/IR Cut \/ Luminance (L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e50.4mm Round, Unmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eAnti-Reflection, CMOS-Optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Use\u003c\/td\u003e\n\u003ctd\u003eLRGB Astrophotography\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01 (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter size\u003c\/td\u003e\n\u003ctd\u003e31 mm (31mm)\u003cbr\u003e36 mm (36mm)\u003cbr\u003e50.4 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e2 mm (31mm, 36mm)\u003cbr\u003e3 mm (50.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e50x50mm Square Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eLuminance (UV\/IR-Cut)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e50 x 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted Square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eCMOS-Optimized, Anti-Reflection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e65x65mm Square Filter\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eUV\/IR Cut \/ Luminance (L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e65x65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnmounted Square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eCMOS-Optimized, Anti-Reflective\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eCMOS-optimized with Life-Coat™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thickness (without cell)\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e50.4mm Round Unmounted Filter\u003c\/h3\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader UV\/IR-Cut \/ L-Filter 50.4mm\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFilter Storage Box\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e50x50mm Square Filter\u003c\/h3\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader UV\/IR-Cut \/ L-Filter 50x50mm\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Cleaning_and_Maintenance_of_Optics_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium Cleaning and Maintenance of Optics Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Filter_Problems_FAQ_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium Filter Problems FAQ Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_FCCT_Filter_Changer_Camera_Tilter_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBaader Planetarium FCCT Filter Changer Camera Tilter Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/baader-planetarium-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eBaader Planetarium Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"2\" Round Unmounted Filter (Ø 47.4mm, FCCT)","offer_id":52913207247133,"sku":"BAA-2961573U","price":136.0,"currency_code":"CAD","in_stock":true},{"title":"31mm Round Unmounted Filter","offer_id":52913207279901,"sku":"BAA-2961571","price":101.0,"currency_code":"CAD","in_stock":true},{"title":"36mm Round Unmounted Filter","offer_id":52913207312669,"sku":"BAA-2961572","price":116.0,"currency_code":"CAD","in_stock":true},{"title":"50.4mm Round Unmounted Filter","offer_id":52913207345437,"sku":"BAA-2961574","price":197.0,"currency_code":"CAD","in_stock":true},{"title":"50x50mm Square Filter","offer_id":52913207378205,"sku":"BAA-2961575","price":255.0,"currency_code":"CAD","in_stock":true},{"title":"65x65mm Square Filter","offer_id":52913207410973,"sku":"BAA-2961576","price":357.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-FCCT-Filter-UV-IR-Cut-L-Filter-2-unmounted-47-4-mm-CMOS-optimized-1_45bc1a90-67c0-48dd-be2c-1eea6ddcfb16.jpg?v=1789088132"},{"product_id":"player-one-lrgb-filter-s-series","title":"Player One LRGB Filter S-series","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eLRGB filter set for monochrome astrophotography\u003c\/li\u003e\n\u003cli\u003eAvailable in 1.25\" and 2\" sizes (2\" round mounted for larger sensors)\u003c\/li\u003e\n\u003cli\u003eConstructed from high-quality optical glass substrate\u003c\/li\u003e\n\u003cli\u003eFeatures multi-layer composite anti-reflection coatings\u003c\/li\u003e\n\u003cli\u003eEngineered for high transmittance and halo suppression\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003eLRGB Filter S-series\u003c\/h2\u003e\n      \u003cp\u003eThe Player One S-series LRGB Filter Set provides the four essential filters—Luminance, Red, Green, and Blue—for creating vivid, true-color astronomical images with a monochrome camera. Available in 1.25\" and 2\" sizes, the set is built on a high-quality optical glass substrate with multi-layer coatings to ensure excellent transmittance and precise color separation.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eTrue-Color Astrophotography: The LRGB Method for Monochrome Cameras\u003c\/h3\u003e\n      \u003cp\u003eThis S-series LRGB filter set is designed specifically for monochrome cameras, allowing you to capture the full spectrum of an object one channel at a time. By taking separate exposures through the Luminance, Red, Green, and Blue filters and combining them during processing, you gain complete control over the final color balance and detail of your image. The 2\" format is ideal for cameras with larger sensors, preventing vignetting and ensuring even illumination across the entire field.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eS-Series Optical Design: High-Transmittance Coatings and Halo Control\u003c\/h3\u003e\n      \u003cp\u003ePlayer One builds the S-series filters using a high-quality optical glass substrate, applying multi-layer composite coatings to maximize light throughput and minimize reflections. This design achieves excellent transmittance for capturing faint signal, a sharp cutoff between channels for clean color data, and effective halo control around bright stars. The result is a high-contrast image with rich, accurate colors.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy use the Player One S-series LRGB filters instead of a one-shot-color (OSC) camera?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eUsing the Player One S-series LRGB filters with a \u003cstrong\u003emonochrome camera\u003c\/strong\u003e offers greater signal per channel and more flexibility in post-processing. A mono sensor's pixels are not covered by a Bayer matrix, allowing them to collect more light. This method lets you independently adjust the color channels and luminance layer, often resulting in a sharper, more detailed final image compared to an OSC camera.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhich size should I choose: 1.25\" or 2\"?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eChoose by sensor size. The \u003cstrong\u003e2\" format\u003c\/strong\u003e is essential for imagers using cameras with larger sensors, such as APS-C or full-frame, because a smaller 1.25\" filter can cause significant vignetting (darkening of the corners) on these sensors. The larger clear aperture of a 2\" filter ensures the entire sensor is illuminated, providing a clean, evenly lit image from edge to edge.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do the Player One S-series filters help control halos around bright stars like Sirius?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe S-series filters use \u003cstrong\u003emulti-layer anti-reflection coatings\u003c\/strong\u003e that are specifically designed to suppress halos. When imaging a bright star like Sirius or Vega, internal reflections between the filter and the sensor can create unwanted rings of light. These advanced coatings minimize those reflections, keeping stars tight and free of distracting artifacts.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhen imaging the Orion Nebula (M42) with a monochrome camera, how does this LRGB filter set help?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eFor an object like the Orion Nebula (M42), this LRGB filter set allows you to capture distinct data for each color. You can use the \u003cstrong\u003eRed filter\u003c\/strong\u003e to isolate the dominant Hydrogen-alpha regions, the \u003cstrong\u003eBlue filter\u003c\/strong\u003e to capture the faint reflection nebulosity around the Trapezium stars, and the \u003cstrong\u003eLuminance filter\u003c\/strong\u003e to gather high-resolution structural detail. Combining these gives you a far richer and more nuanced portrait of the nebula than is typically possible with a color camera.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does Player One mean by an \"excellent cutoff rate\" on these LRGB filters?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eAn \"excellent cutoff rate\" refers to how sharply the filter transitions from transmitting light to blocking it at the edge of its bandpass. A sharp cutoff ensures there is minimal overlap between the red, green, and blue channels. This clean separation prevents color bleed and makes it easier to achieve natural, accurate colors in your final combined image.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do the multi-layer coatings on the Player One S-series filters improve my images?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe multi-layer coatings serve two primary functions. First, they act as \u003cstrong\u003eanti-reflection layers\u003c\/strong\u003e to maximize light transmission, meaning more of the faint light from your target reaches the sensor. Second, they are responsible for the filter's specific bandpass characteristics, ensuring that only the desired wavelengths of light for that channel (L, R, G, or B) are passed through, which is critical for good color fidelity.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ch3\u003e1.25\"\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eLRGB (Luminance, Red, Green, Blue) filter set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eS-series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstrate\u003c\/td\u003e\n\u003ctd\u003eHigh-quality optical glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eMulti-layer composite coatings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesigned For\u003c\/td\u003e\n\u003ctd\u003eMonochrome astronomy cameras\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e2\"\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eLRGB (Luminance, Red, Green, Blue) filter set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e2\" (round mounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eS-series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstrate\u003c\/td\u003e\n\u003ctd\u003eHigh-quality optical glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eMulti-layer composite anti-reflection coatings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesigned For\u003c\/td\u003e\n\u003ctd\u003eMonochrome cameras with larger sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\u003ca title=\"Player One 2-Year Warranty\" href=\"https:\/\/davidastro.com\/pages\/player-one-warranty-policy\" target=\"_blank\"\u003ePlayer One 2-Year Warranty\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Player One","offers":[{"title":"1.25\"","offer_id":52913426268445,"sku":"POA-LRGB-125S","price":207.0,"currency_code":"CAD","in_stock":true},{"title":"2\"","offer_id":52913426301213,"sku":"POA-LRGB-2S","price":419.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/PlayerOne-LRGB-1-25-Filter-S-series-1_e35bab6c-7a57-4d2a-9f60-ab7c49c7e7a3.jpg?v=1789090925"},{"product_id":"ioptron-3383-lrgb","title":"iOptron LRGB Imaging Filter Kit - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eComplete LRGB Filter Set\u003c\/li\u003e\n\u003cli\u003eIncludes Luminance, Red, Green, and Blue Filters\u003c\/li\u003e\n\u003cli\u003eStandard 1.25\" Filter Size\u003c\/li\u003e\n\u003cli\u003eThreaded for Standard Filter Wheels and Accessories\u003c\/li\u003e\n\u003cli\u003eEnables Full-Color Imaging with Monochrome Cameras\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eiOptron LRGB Imaging Filter Kit - 1.25\"\u003c\/h2\u003e\n\u003cp\u003eThe iOptron LRGB Imaging Filter Kit provides the four essential filters—Luminance, Red, Green, and Blue—required for full-color astrophotography with a monochrome camera. Mounted in standard 1.25\" cells, this 4-filter set allows you to capture high-resolution detail and vibrant color data separately for maximum processing control.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 4-Filter LRGB Method for High-Resolution Color\u003c\/h3\u003e\n\u003cp\u003eThis 4-filter set is the foundation of high-resolution color astrophotography. By using a monochrome camera, you can capture a detailed, high-signal Luminance (L) layer through the clear filter, then gather the color information separately through the Red (R), Green (G), and Blue (B) filters. This method ensures that the full resolution of your sensor is dedicated to each channel, resulting in sharper final images compared to one-shot-color cameras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eStandard 1.25\" Format for Maximum Compatibility\u003c\/h3\u003e\n\u003cp\u003eEach filter in the iOptron LRGB kit is mounted in a standard 1.25\" threaded cell. This universal format ensures compatibility with the vast majority of electronic and manual filter wheels, especially those used with cameras featuring APS-C or smaller sensors. The threaded design allows for secure installation, preventing tilt and ensuring a consistent focal plane between filter changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLRGB vs. One-Shot-Color (OSC): Control Over Your Data\u003c\/h3\u003e\n\u003cp\u003eWhile one-shot-color (OSC) cameras offer a simpler workflow, the LRGB filter method provides superior control over your final image. You can allocate different exposure times for each channel—for example, longer on the Luminance for detail, and adjusted times on the RGB channels to perfect color balance. This separation also allows for more advanced processing techniques, such as using the L-channel to enhance sharpness without affecting color saturation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the purpose of the iOptron LRGB Imaging Filter Kit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe iOptron LRGB Imaging Filter Kit is designed for astrophotographers using \u003cstrong\u003emonochrome cameras\u003c\/strong\u003e. It allows you to create full-color images by capturing four separate sets of data: one for brightness (Luminance) and one for each of the primary colors (Red, Green, Blue), which are then combined during image processing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a filter wheel to use the iOptron 1.25\" LRGB filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile you can manually unscrew and swap filters between exposures, it is highly inconvenient and risks moving the telescope. A \u003cstrong\u003efilter wheel\u003c\/strong\u003e is strongly recommended to use the iOptron LRGB kit efficiently, as it allows you to switch between the four filters remotely without touching the imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the iOptron LRGB filters for visual observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this filter set is designed specifically for \u003cstrong\u003eimaging\u003c\/strong\u003e. While colored filters are used visually for enhancing planetary contrast, this LRGB set is designed to isolate specific color bands for a camera sensor to reconstruct a color image and is not suitable for direct visual use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does imaging with the iOptron LRGB Filter Kit compare to using a color camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eImaging with the iOptron LRGB kit and a monochrome camera generally yields \u003cstrong\u003esharper images with better detail\u003c\/strong\u003e. This is because the camera's full sensor resolution is used for each color channel. A one-shot-color camera uses a permanent filter matrix that dedicates only a fraction of its pixels to each color, sacrificing some resolution for convenience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would I use the iOptron LRGB Filter Kit to image the Andromeda Galaxy (M31) with an 8\" SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor a galaxy like M31, you would spend the majority of your imaging time on the \u003cstrong\u003eLuminance filter\u003c\/strong\u003e to capture faint dust lanes and structural details. You would then capture shorter total exposures through the Red, Green, and Blue filters to record the color of the core and star-forming regions. The L-channel data is later used to sharpen the combined RGB color data.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eFor a target like the Orion Nebula (M42), would I need different exposure times for each filter in the iOptron LRGB Kit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Most monochrome sensors have different sensitivities to red, green, and blue light. For a target like M42, you would typically need to expose longer through the \u003cstrong\u003eRed and Blue filters\u003c\/strong\u003e than the Green filter to achieve a balanced color signal. The Luminance filter would also require its own specific exposure time to capture the faint outer nebulosity without blowing out the bright core.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Code\u003c\/td\u003e\n\u003ctd\u003e3383-LRGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eLRGB (Luminance, Red, Green, Blue)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eSet of 4 Filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLuminance Filter (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed Filter (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eGreen Filter (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBlue Filter (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eProtective Storage Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 1-Year Accessory Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"Default Title","offer_id":52917291385117,"sku":"IOP-3383-LRGB","price":307.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron-LRGB-Imaging-Filter-Kit-1-25-1_10aa64fb-8356-42fb-be0a-1b17d2bf2bc9.jpg?v=1789142050"},{"product_id":"optolong-lrgb-h-alpha-7nm-filter-set-5-pcs","title":"Optolong LRGB + H-Alpha 7nm Filter Set","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eComplete 5-Filter LRGB and H-Alpha Set\u003c\/li\u003e\n\u003cli\u003e7nm H-Alpha Filter Centered at 656.3nm\u003c\/li\u003e\n\u003cli\u003eBlocks 589nm Sodium Light Pollution Line\u003c\/li\u003e\n\u003cli\u003eHigh Transmission for Natural Color Balance\u003c\/li\u003e\n\u003cli\u003eAvailable in 1.25\", 2\", and 36mm Unmounted Sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eOptolong LRGB + H-Alpha 7nm Filter Set\u003c\/h2\u003e\n\u003cp\u003eThis 5-filter Optolong LRGB + H-Alpha 7nm Filter Set provides a complete solution for monochrome deep-sky imaging, combining four high-contrast broadband filters with a narrow 7nm Hydrogen-Alpha filter centered at 656.3nm. The LRGB filters are engineered with a spectral gap to block the primary sodium light pollution line at 589nm, ensuring superior color separation on galaxies and star clusters. The included 7nm H-Alpha filter isolates critical emission nebula structures, providing the essential data needed to create deeply detailed composite images from any location.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 4-Filter LRGB System for Broadband Color\u003c\/h3\u003e\n\u003cp\u003eThe core of this set is the Luminance, Red, Green, and Blue filter quartet, designed for maximum contrast and sharp color differentiation. The OIII emission lines are passed through both the blue and green filters, allowing for high-efficiency capture of planetary nebulae and supernova remnants with natural, balanced color. Extremely high gradients between the passbands ensure that data from each channel is cleanly separated for easier processing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSuppressing City Glow: The 589nm Sodium Line Block\u003c\/h3\u003e\n\u003cp\u003eA key feature of the Optolong LRGB design is the deliberate gap between the green and red filters' transmission windows. This gap is precisely engineered to block the prominent sodium light pollution line at 589nm. By rejecting this common source of urban skyglow, the filters significantly improve color balance and saturation, allowing you to capture cleaner raw data even from suburban skies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 7nm, 656.3nm H-Alpha Filter: Isolating Emission Nebulae\u003c\/h3\u003e\n\u003cp\u003eThe fifth filter in the set is a 7nm narrowband H-Alpha filter centered on the 656.3nm wavelength. This filter isolates the most common emission signal in the universe, dramatically increasing the contrast of hydrogen-rich targets like the Orion Nebula (M42) or the North American Nebula (NGC 7000). It aggressively suppresses starlight and background light pollution, revealing faint, intricate nebulosity that is invisible to broadband filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLRGB+Ha vs. LRGB-Only: A 5-Filter Imaging Workflow\u003c\/h3\u003e\n\u003cp\u003eWhile an LRGB set is sufficient for broadband targets like galaxies and star clusters, the addition of the H-Alpha filter unlocks a new level of detail and creativity. For emission nebulae, you can substitute the Red channel data with the H-Alpha data for a dramatic \"HaRGB\" composite. For galaxies with active star-forming regions, like the Triangulum Galaxy (M33), you can blend the H-Alpha data into the Luminance or Red channels to make the HII regions pop against the stellar background, a technique not possible with a 4-filter set alone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I use the H-Alpha filter in the Optolong LRGB+Ha set?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe H-Alpha filter can be used in several ways. You can capture it as a separate channel and blend it into your final LRGB image to enhance red nebulosity. A common technique is to substitute the data from the Red filter with your H-Alpha data to create a high-contrast HaRGB image, or to add it to the Luminance channel for a sharper, more detailed final result.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the 589nm block in this Optolong set eliminate all light pollution?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, but it is highly effective against a primary source. The gap between the green and red filters specifically targets sodium vapor lamps, which are a major component of urban skyglow. While it won't block modern LED lighting, it significantly improves color balance and contrast compared to filters without this feature, especially from older city lighting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Optolong 7nm H-Alpha filter suitable for very fast telescopes?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, Optolong filters are designed to minimize band-shifting with faster optical systems. While all interference filters experience some degree of shift, the \u003cstrong\u003e7nm bandpass\u003c\/strong\u003e is wide enough to remain effective on most common amateur telescopes, including f\/4 and f\/5 systems, without significant signal loss.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this Optolong filter set with a color camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis set is designed for \u003cstrong\u003emonochrome cameras\u003c\/strong\u003e. A monochrome sensor allows you to capture data through each filter separately (L, R, G, B, Ha) and combine them during processing for a full-color image. A color camera already has a red, green, and blue filter array built into its sensor, making these filters redundant and ineffective.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eFor a target like the Andromeda Galaxy (M31), is the H-Alpha filter from the Optolong set useful?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. While the Andromeda Galaxy is primarily a broadband target, its spiral arms contain numerous star-forming HII regions that glow in H-Alpha light. Capturing data with the \u003cstrong\u003e7nm H-Alpha filter\u003c\/strong\u003e and blending it into your LRGB data will make these pink and red knots of nebulosity stand out dramatically, adding depth and scientific detail to your final image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow should I approach imaging the Pelican Nebula (IC 5070) with this Optolong LRGB+Ha set?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Pelican Nebula is an emission nebula rich in Hydrogen-Alpha. For this target, you should dedicate most of your imaging time to the \u003cstrong\u003e7nm H-Alpha filter\u003c\/strong\u003e to capture the faint structures and contrast. Use the L, R, G, and B filters primarily to capture star colors, then combine all five channels in processing. You can use the H-Alpha data as a detailed layer for your red channel or as a synthetic luminance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet Contents\u003c\/td\u003e\n\u003ctd\u003e5 Filters: Luminance, Red, Green, Blue, H-Alpha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH-Alpha Bandwidth\u003c\/td\u003e\n\u003ctd\u003e7nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH-Alpha Center Wavelength\u003c\/td\u003e\n\u003ctd\u003e656.3nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Pollution Rejection\u003c\/td\u003e\n\u003ctd\u003eBlocks 589nm Sodium Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Sizes\u003c\/td\u003e\n\u003ctd\u003e1.25\" Mounted, 2\" Mounted, 36mm Unmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLuminance (L) Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed (R) Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eGreen (G) Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBlue (B) Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eH-Alpha (Ha) 7nm Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eProtective Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/optolong-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eOptolong 3-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Optolong","offers":[{"title":"1.25\" Mounted","offer_id":52941929513245,"sku":"OPT-LRGBH-1.25","price":517.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Mounted","offer_id":52941929546013,"sku":"OPT-LRGBH-2","price":797.0,"currency_code":"CAD","in_stock":true},{"title":"36mm Round Unmounted","offer_id":52941929578781,"sku":"OPT-LRGBH-RD36","price":615.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Optolong-HaLRGB-Filter-Kit.webp?v=1789606275"}],"url":"https:\/\/davidastro.com\/fr-us\/collections\/lrgb-filters.oembed?page=2","provider":"David Astro","version":"1.0","type":"link"}